InfraGuard

Python 3.11 vulnerabilities

25 known CVEs affect the 3.11 line of Python.

9.8 max CVSS

Fixed in

3.11.43.11.53.11.103.11.113.11.153.11.16
Check your versionpython3 -V

CVEs affecting 3.11

CVE Title CVSS Exploited EPSS Published
CVE-2007-4559 Directory traversal vulnerability in the (1) extract and (2) extractall functions in the tarfile module in Pyt... 9.8 — 2007-08-28
CVE-2026-15308 Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations 8.7 — 2026-07-10
CVE-2022-45061 An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when pr... 7.5 — 2022-11-09
CVE-2023-24329 An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods... 7.5 — 2023-02-17
CVE-2023-36632 The legacy email.utils.parseaddr function in Python through 3.11.4 allows attackers to trigger "RecursionError... 7.5 — 2023-06-25
CVE-2023-41105 An issue was discovered in Python 3.11 through 3.11.4. If a path containing '\0' bytes is passed to os.path.no... 7.5 — 2023-08-23
CVE-2024-7592 Quadratic complexity parsing cookies with backslashes 7.5 — 2024-08-20
CVE-2024-6232 Regular-expression DoS when parsing TarFile headers 7.5 — 2024-09-03
CVE-2022-26488 In Python before 3.10.3 on Windows, local users can gain privileges because the search path is inadequately se... 7.0 — 2022-03-08
CVE-2026-4519 webbrowser.open() allows leading dashes in URLs 7.0 — 2026-03-21
CVE-2021-28861 Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection again... 6.5 — 2022-08-23
CVE-2025-13836 Excessive read buffering DoS in http.client 6.3 — 2025-12-02
CVE-2025-12084 Quadratic complexity in node ID cache clearing 6.3 — 2025-12-04
CVE-2025-12781 base64.b64decode() always accepts "+/" characters, despite setting altchars 6.3 — 2026-01-22
CVE-2026-7210 The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection 6.3 — 2026-05-12
CVE-2020-10735 A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using in... 6.2 — 2022-09-09
CVE-2026-3644 Incomplete control character validation in http.cookies 6.0 — 2026-03-17
CVE-2026-3087 shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs 6.0 — 2026-04-28
CVE-2023-27043 The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character... 5.3 — 2023-04-18
CVE-2023-40217 An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before... 5.3 — 2023-08-25
CVE-2024-9287 Virtual environment (venv) activation scripts don't quote paths 5.3 — 2024-10-23
CVE-2026-0864 Configuration Injection via Carriage Return (\r) in write() method 4.1 — 2026-06-24
CVE-2025-13837 Out-of-memory when loading Plist 2.1 — 2025-12-02
CVE-2026-6019 BaseCookie.js_output() does not neutralize embedded characters 2.1 — 2026-04-23
CVE-2025-13462 tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling 2.0 — 2026-03-13

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Data: CVE List (CVE® Program), NVD, CISA KEV, FIRST EPSS (see EPSS at https://www.first.org/epss), endoflife.date. Software list: awesome-selfhosted (CC BY-SA 3.0).