CriticalCVE-2019-9636

Python Software Foundation CPython: Information Disclosure (CVE-2019-9636)

Published 08.03.2019Last modified 14.10.2026Sources: CVE.org, OSV

What is affected, what to do

Update Python Software Foundation CPython to version 2.7.17, Python Software Foundation CPython to version 3.4.10, Python Software Foundation CPython to version 3.5.7.

Affected: Python Software Foundation CPython lt 2.7.0..2.7.17
Python Software Foundation CPython lt 3.0.0..3.4.10
Python Software Foundation CPython lt 3.5.0..3.5.7
Python Software Foundation CPython lt 3.6.0..3.6.9
Python Software Foundation CPython lt 3.7.0..3.7.3
Fedora eq 28..28
Fedora eq 29..29
Fedora eq 30..30
Fedora eq 31..31
openSUSE Leap eq 15.0..15.0
openSUSE Leap eq 15.1..15.1
openSUSE Leap eq 42.3..42.3
Debian Linux eq 8.0..8.0
Debian Linux eq 9.0..9.0
Canonical Ubuntu Linux eq 12.04..12.04
Canonical Ubuntu Linux eq 14.04..14.04
Canonical Ubuntu Linux eq 16.04..16.04
Canonical Ubuntu Linux eq 18.04..18.04
Canonical Ubuntu Linux eq 19.04..19.04
Red Hat OpenShift Container Platform 4 eq 3.11..3.11
Redhat Enterprise Linux eq 7.5..7.5
Redhat Enterprise Linux eq 8.0..8.0
Redhat Enterprise Linux Desktop eq 6.0..6.0
Red Hat Enterprise Linux Extended Update Support (EUS) eq 7.5..7.5
Red Hat Enterprise Linux Extended Update Support (EUS) eq 8.1..8.1
Red Hat Enterprise Linux Extended Update Support (EUS) eq 8.2..8.2
Red Hat Enterprise Linux Extended Update Support (EUS) eq 8.4..8.4
Red Hat Enterprise Linux Extended Update Support (EUS) eq 8.6..8.6
Redhat Enterprise Linux Server eq 6.0..6.0
Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 7.4..7.4
Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 8.2..8.2
Redhat Enterprise Linux Server Advanced mission critical Update Support (AUS) eq 8.4..8.4
Redhat Enterprise Linux Server Extended Update Support (EUS) eq 5.6..5.6
Red Hat Enterprise Linux Server (TUS) eq 7.4..7.4
Red Hat Enterprise Linux Server (TUS) eq 8.2..8.2
Red Hat Enterprise Linux Server (TUS) eq 8.4..8.4
Red Hat Enterprise Linux Server (TUS) eq 8.6..8.6
Redhat Enterprise Linux Workstation eq 6.0..6.0
Red Hat Virtualization eq 4.0..4.0
Oracle Sun ZFS Storage Appliance Kit (AK) Software eq 8.8.6..8.8.6
Fixed in: Python Software Foundation CPython 2.7.17
Python Software Foundation CPython 3.4.10
Python Software Foundation CPython 3.5.7
Python Software Foundation CPython 3.6.9
Python Software Foundation CPython 3.7.3

Not sure whether and how you are affected? Ask a question about this vulnerability

Metrics

9.8

Priority

XIEM Effective CVSS: highest available CVSS rating from NVD and vendor data.

Source: NVD, CVSS v3

9.8

CVSS v3

Severity Critical on the scale from 0 to 10.

Source: CVE.org, OSV

7.7 %

EPSS score

Moderate — model estimates 1-10% exploitation likelihood.

Source: FIRST EPSS, percentile 94.6

Show all metrics

Severity: Critical
Priority (0–325) The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first? Read in glossary: 120.58 Methodology
Exploit maturity An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack. Read in glossary: no public PoC known
XIEM Effective CVSS XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command. Read in glossary: 9.8 Methodology
CVSS v3 CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions. Read in glossary: 9.8
EPSS score The EPSS score is the absolute model output for an individual vulnerability: the estimated probability of real-world exploitation within the next 30 days, expressed as a value between 0 and 1 (i.e. 0 % to 100 %). A score of 0.42 means „the model estimates a 42 % chance of real-world exploitation within 30 days“. Read in glossary: 7.7 %; Moderate — model estimates 1-10% exploitation likelihood.
EPSS percentile The EPSS percentile is the relative position of a vulnerability within all EPSS-scored CVEs, expressed as a value between 0 and 1. A percentile of 0.90 means „this CVE has a higher EPSS score than 90 % of all other scored CVEs“. Unlike the EPSS score, it is not a probability — but a positioning within a ranking. Read in glossary: 94.6; Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).
KEV status The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching. Read in glossary: —
Published: 08.03.2019
CISA assessment (SSVC): Exploitation: none known · not automatable · Technical impact: partial; Source: CISA Vulnrichment, as of 7 October 2026
CWE CWE is a catalogue of typical weakness types in software and hardware — such as flawed input validation, unsafe memory handling or poor authentication. Where a CVE names a concrete vulnerability in a concrete product, a CWE describes the underlying class of defect. Read in glossary: CWE-173

Detection rules

No NEOSEC detection rule is available for this vulnerability yet.

Classification under NIS2 and CRA

Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.

NIS2 NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management. Read in glossary: High technical severity: assess and remediate the vulnerability in vulnerability handling under Art. 21(2)(e) NIS2 and document the decision.
CRA The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates. Read in glossary: From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
ISO/IEC 27001 ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security. Read in glossary: Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.

Description

Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Source: cvelistv5, NVD (NIST), OSV (Open Source Vulnerabilities)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

Affected products
		Affected versions	Fixed in
oracle	sun_zfs_storage_appliance_kit	`8.8.6`	—
python	python	`3.6.0 – < 3.6.9` `3.5.0 – < 3.5.7` `3.0.0 – < 3.4.10` `3.7.0 – < 3.7.3` `2.7.0 – < 2.7.17`	`3.6.9` `3.5.7` `3.4.10` `3.7.3` `2.7.17`
redhat	openshift_container_platform	`3.11`	—
redhat	virtualization	`4.0`	—

Vendors and products

Affected operating systems

Affected operating systems

Linux	debian	debian_linux	`8.0`
Linux	debian	debian_linux	`9.0`
Linux	redhat	enterprise_linux	`7.5`
Linux	redhat	enterprise_linux	`8.0`
Linux	redhat	enterprise_linux_desktop	`6.0`
Linux	redhat	enterprise_linux_eus	`7.5`
Linux	redhat	enterprise_linux_eus	`8.1`
Linux	redhat	enterprise_linux_eus	`8.2`
Linux	redhat	enterprise_linux_eus	`8.4`
Linux	redhat	enterprise_linux_eus	`8.6`
Linux	redhat	enterprise_linux_server	`6.0`
Linux	redhat	enterprise_linux_server_aus	`7.4`
Linux	redhat	enterprise_linux_server_aus	`8.2`
Linux	redhat	enterprise_linux_server_aus	`8.4`
Linux	redhat	enterprise_linux_server_eus	`5.6`
Linux	redhat	enterprise_linux_server_tus	`7.4`
Linux	redhat	enterprise_linux_server_tus	`8.2`
Linux	redhat	enterprise_linux_server_tus	`8.4`
Linux	redhat	enterprise_linux_server_tus	`8.6`
Linux	redhat	enterprise_linux_workstation	`6.0`
Linux	opensuse	leap	`15.0`
Linux	opensuse	leap	`15.1`
Linux	opensuse	leap	`42.3`
Linux	canonical	ubuntu_linux	`12.04`

Weakness classes (CWE)

CWE-173Improper Handling of Alternate Encoding
Variant
The product does not properly handle when an input uses an alternate encoding that is valid for the control sphere to which the input is being sent.
Entry at MITRE CWE-173

References & sources

bugs.python.orgissue36216report, x_refsource_MISC
securityfocus.com107400Vulnerability database, x_refsource_BID
lists.fedoraproject.orgFEDORA-2019-243442e600Vendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-6e1938a3c5Vendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-6baeb15da3Vendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-cf725dd20bVendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-6b02154aa0Vendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-7d9f3cf3ceVendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-51f1e08207Vendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-a122fe704dVendor advisory, x_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2019-86f32cbab1Vendor advisory, x_refsource_FEDORA
access.redhat.comRHSA-2019:0710Vendor advisory, x_refsource_REDHAT
access.redhat.comRHSA-2019:0765Vendor advisory, x_refsource_REDHAT
access.redhat.comRHSA-2019:0806Vendor advisory, x_refsource_REDHAT
lists.opensuse.orgopenSUSE-SU-2019:1273Vendor advisory, x_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2019:1282Vendor advisory, x_refsource_SUSE
access.redhat.comRHSA-2019:0902Vendor advisory, x_refsource_REDHAT
access.redhat.comRHSA-2019:0981Vendor advisory, x_refsource_REDHAT
access.redhat.comRHSA-2019:0997Vendor advisory, x_refsource_REDHAT
access.redhat.comRHBA-2019:0959Vendor advisory, x_refsource_REDHAT

Changes to this CVE

Who changed this CVE and when: NVD (analysis, affected products, CVSS), the CVE publisher (CNA) and additional providers such as CISA (ADP).

14.10.2026Record modifiedSiemens ADP

New references:

https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Show 2 original changes

Individual changes of this event as published by NVD
Type	Action	Before	After
Affected versions (publisher)	added	—	New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2019/9xxx/CVE-2019-9636.json">CVE-2019-9636</a>
Reference	added	—	https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Source identifier: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

07.10.2026Record modifiedMITRE

New references:

and 8 more references

Show 135 original changes

Individual changes of this event as published by NVD
Type	Action	Before	After
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
Reference	added	—	http://www.securityfocus.com/bid/107400
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0763
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0764
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0959
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0710
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0765
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0806
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0902
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0981
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0997
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:1467
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:2980
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:3170
Reference	added	—	https://bugs.python.org/issue36216
Reference	added	—	https://github.com/python/cpython/pull/12201
Reference	added	—	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFBAAGM27H73OLYBUA2IAZFSUN6KGLME/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFAXBEY2TGOBDRKTR556JBXBVFSAKD6I/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/
Reference	added	—	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html
Reference	added	—	https://security.gentoo.org/glsa/202003-26
Reference	added	—	https://security.netapp.com/advisory/ntap-20190517-0001/
Reference	added	—	https://usn.ubuntu.com/4127-1/
Reference	added	—	https://usn.ubuntu.com/4127-2/
Reference	added	—	https://www.oracle.com/security-alerts/cpujan2020.html
Reference	added	—	https://www.oracle.com/security-alerts/cpujul2022.html
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html	—
Reference	removed	http://www.securityfocus.com/bid/107400	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0763	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0764	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0959	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0710	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0765	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0806	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0902	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0981	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0997	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:1467	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:2980	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:3170	—
Reference	removed	https://bugs.python.org/issue36216	—
Reference	removed	https://github.com/python/cpython/pull/12201	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/	—
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Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFBAAGM27H73OLYBUA2IAZFSUN6KGLME/	—
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Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/	—
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Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/	—
Reference	removed	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html	—
Reference	removed	https://security.gentoo.org/glsa/202003-26	—
Reference	removed	https://security.netapp.com/advisory/ntap-20190517-0001/	—
Reference	removed	https://usn.ubuntu.com/4127-1/	—
Reference	removed	https://usn.ubuntu.com/4127-2/	—
Reference	removed	https://www.oracle.com/security-alerts/cpujan2020.html	—
Reference	removed	https://www.oracle.com/security-alerts/cpujul2022.html	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://www.securityfocus.com/bid/107400 Types: Third Party Advisory, VDB Entry	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0763 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0764 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0959 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0710 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0765 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0806 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0902 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0981 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0997 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:1467 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:2980 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:3170 Types: Third Party Advisory	—
Reference type	removed	https://bugs.python.org/issue36216 Types: Issue Tracking, Patch, Vendor Advisory	—
Reference type	removed	https://github.com/python/cpython/pull/12201 Types: Patch, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html Types: Patch, Third Party Advisory	—
Reference type	removed	https://security.gentoo.org/glsa/202003-26 Types: Third Party Advisory	—
Reference type	removed	https://security.netapp.com/advisory/ntap-20190517-0001/ Types: Third Party Advisory	—
Reference type	removed	https://usn.ubuntu.com/4127-1/ Types: Third Party Advisory	—
Reference type	removed	https://usn.ubuntu.com/4127-2/ Types: Third Party Advisory	—
Reference type	removed	https://www.oracle.com/security-alerts/cpujan2020.html Types: Third Party Advisory	—

Source identifier: cve@mitre.org

07.10.2026Record modifiedCISA ADP

CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA assessment (SSVC): exploitation: none known, automatable: no

Weakness type: CWE-173

Show 3 original changes

Individual changes of this event as published by NVD
Type	Action	Before	After
CVSS	added	—	AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)	added	—	CWE-173
SSVC assessment	added	—	{"id":"CVE-2019-9636","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"version":"2.0.3","timestamp":"2026-10-07T18:20:04.606550Z"}

Source identifier: 134c704f-9b21-4f2e-91b3-4a467353bcc0

07.10.2026Record modifiedCVE Program

New references:

and 8 more references

Show 135 original changes

Individual changes of this event as published by NVD
Type	Action	Before	After
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html
Reference	added	—	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
Reference	added	—	http://www.securityfocus.com/bid/107400
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0763
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0764
Reference	added	—	https://access.redhat.com/errata/RHBA-2019:0959
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0710
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0765
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0806
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0902
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0981
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:0997
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:1467
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:2980
Reference	added	—	https://access.redhat.com/errata/RHSA-2019:3170
Reference	added	—	https://bugs.python.org/issue36216
Reference	added	—	https://github.com/python/cpython/pull/12201
Reference	added	—	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
Reference	added	—	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFBAAGM27H73OLYBUA2IAZFSUN6KGLME/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFAXBEY2TGOBDRKTR556JBXBVFSAKD6I/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/
Reference	added	—	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/
Reference	added	—	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html
Reference	added	—	https://security.gentoo.org/glsa/202003-26
Reference	added	—	https://security.netapp.com/advisory/ntap-20190517-0001/
Reference	added	—	https://usn.ubuntu.com/4127-1/
Reference	added	—	https://usn.ubuntu.com/4127-2/
Reference	added	—	https://www.oracle.com/security-alerts/cpujan2020.html
Reference	added	—	https://www.oracle.com/security-alerts/cpujul2022.html
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html	—
Reference	removed	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html	—
Reference	removed	http://www.securityfocus.com/bid/107400	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0763	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0764	—
Reference	removed	https://access.redhat.com/errata/RHBA-2019:0959	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0710	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0765	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0806	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0902	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0981	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:0997	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:1467	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:2980	—
Reference	removed	https://access.redhat.com/errata/RHSA-2019:3170	—
Reference	removed	https://bugs.python.org/issue36216	—
Reference	removed	https://github.com/python/cpython/pull/12201	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html	—
Reference	removed	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFBAAGM27H73OLYBUA2IAZFSUN6KGLME/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFAXBEY2TGOBDRKTR556JBXBVFSAKD6I/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/	—
Reference	removed	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/	—
Reference	removed	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html	—
Reference	removed	https://security.gentoo.org/glsa/202003-26	—
Reference	removed	https://security.netapp.com/advisory/ntap-20190517-0001/	—
Reference	removed	https://usn.ubuntu.com/4127-1/	—
Reference	removed	https://usn.ubuntu.com/4127-2/	—
Reference	removed	https://www.oracle.com/security-alerts/cpujan2020.html	—
Reference	removed	https://www.oracle.com/security-alerts/cpujul2022.html	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	http://www.securityfocus.com/bid/107400 Types: Third Party Advisory, VDB Entry	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0763 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0764 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHBA-2019:0959 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0710 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0765 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0806 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0902 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0981 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:0997 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:1467 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:2980 Types: Third Party Advisory	—
Reference type	removed	https://access.redhat.com/errata/RHSA-2019:3170 Types: Third Party Advisory	—
Reference type	removed	https://bugs.python.org/issue36216 Types: Issue Tracking, Patch, Vendor Advisory	—
Reference type	removed	https://github.com/python/cpython/pull/12201 Types: Patch, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html Types: Mailing List, Third Party Advisory	—
Reference type	removed	https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html Types: Patch, Third Party Advisory	—
Reference type	removed	https://security.gentoo.org/glsa/202003-26 Types: Third Party Advisory	—
Reference type	removed	https://security.netapp.com/advisory/ntap-20190517-0001/ Types: Third Party Advisory	—
Reference type	removed	https://usn.ubuntu.com/4127-1/ Types: Third Party Advisory	—
Reference type	removed	https://usn.ubuntu.com/4127-2/ Types: Third Party Advisory	—
Reference type	removed	https://www.oracle.com/security-alerts/cpujan2020.html Types: Third Party Advisory	—

Source identifier: af854a3a-2127-422b-91ae-364da2661108

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<a href="https://intel.neosec.eu/en/cve/CVE-2019-9636"><img src="https://intel.neosec.eu/badge/cve/CVE-2019-9636.svg?lang=en" alt="CVE-2019-9636 – NEOSEC Intel" height="20"></a>