Product by Debian
Python3.9
25 known vulnerabilities in Python3.9 (Debian), 0 of them actively exploited (CISA KEV).
Key figures
25
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
2
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| Critical | CVE-2022-37454 | Python Software Foundation CPython: Buffer Overflow | 9.8 | |
| High | CVE-2022-0391 | Python: Injection | 7.5 | |
| Medium | CVE-2025-0938 | URL parser allowed square brackets in domain names | — | |
| High | CVE-2025-13836 | Excessive read buffering DoS in http.client | 7.5 | |
| High | CVE-2026-15308 | Python Software Foundation CPython: Uncontrolled Resource Consumption | 7.5 | |
| High | CVE-2025-8194 | Tarfile infinite loop during parsing with negative member offset | 7.5 | |
| Medium | CVE-2025-12084 | Quadratic complexity in node ID cache clearing | 5.3 | |
| Critical | CVE-2026-6100 | Python Software Foundation CPython: Use After Free | 8.1 | |
| High | CVE-2026-4224 | Stack overflow parsing XML with deeply nested DTD content models | 7.5 | |
| Medium | CVE-2025-6069 | HTMLParser quadratic complexity when processing malformed inputs | 4.3 | |
| High | CVE-2026-4519 | webbrowser.open() allows leading dashes in URLs | 3.3 | |
| High | CVE-2026-3644 | Incomplete control character validation in http.cookies | 7.5 | |
| Medium | CVE-2025-11468 | Folding email comments of unfoldable characters doesn't preserve parenthesis | — | |
| Medium | CVE-2026-1299 | email BytesGenerator header injection due to unquoted newlines | — | |
| Medium | CVE-2026-0865 | wsgiref.headers.Headers allows header newline injection | — | |
| Medium | CVE-2025-8291 | ZIP64 End of Central Directory (EOCD) Locator record offset not checked | 4.3 | |
| Medium | CVE-2025-15282 | Header injection via newlines in data URL mediatype | — | |
| Medium | CVE-2026-2297 | SourcelessFileLoader does not use io.open_code() | — | |
| Medium | CVE-2025-6075 | Quadratic complexity in os.path.expandvars() with user-controlled template | 5.5 | |
| Medium | CVE-2026-0672 | Header injection in http.cookies.Morsel | — | |
| Low | CVE-2025-1795 | Mishandling of comma during folding and unicode-encoding of email headers | — | |
| Medium | CVE-2026-6019 | BaseCookie.js_output() does not neutralize embedded characters | 6.1 | |
| Low | CVE-2025-13462 | tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling | 3.3 | |
| Medium | CVE-2025-13837 | Out-of-memory when loading Plist | 5.5 | |
| Medium | CVE-2025-4516 | Use-after-free in "unicode_escape" decoder with error handler | — |
News
- @RISK®: The Consensus Security Vulnerability Alert: Vol. 26, Num. 27sans-atrisk-mail,