Product by Ubuntu

Python3.11

8 known vulnerabilities in Python3.11 (Ubuntu), 0 of them actively exploited (CISA KEV).

Vulnerabilities

Actively exploited (KEV)

Used by ransomware

Critical

Vulnerabilities

Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

Vulnerabilities in Python3.11 (Ubuntu)

High	CVE-2026-15308	Python Software Foundation CPython: Uncontrolled Resource Consumption also in 17 other products	7.5	09.07.2026
High	CVE-2026-9669	bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow also in 3 other products	—	08.06.2026
Medium	CVE-2026-8328	FTP PASV SSRF, ftpcp() does not use actual peer address, trusts server-supplied PASV host address also in 4 other products	—	13.05.2026
High	CVE-2025-69534	Python-markdown Markdown: Information Disclosure also in 2 other products	7.5	05.03.2026
High	CVE-2026-3644	Incomplete control character validation in http.cookies also in 13 other products	7.5	16.03.2026
Medium	CVE-2026-3276	Potential DoS via quadratic complexity in unicodedata.normalize() also in 3 other products	—	03.06.2026
Medium	CVE-2026-1502	HTTP client proxy tunnel headers not validated for CR/LF also in 5 other products	—	10.04.2026
Medium	CVE-2026-6019	BaseCookie.js_output() does not neutralize embedded characters also in 14 other products	6.1	22.04.2026