Windows apps · Python Software Foundation
Python 3.13 security updates
The latest version of Python 3.13 is 3.13.17, released October 21, 2026. Patch Radar has 11 security fixes for Python 3.13, closing 57 CVEs. The newest is Python 3.13 3.13.16 (3.13.16), released September 30, 2026. 9 CVEs have no fix yet.
9 with no fix yet
Latest version
3.13.17
Released Oct 21, 2026
Security fixes
11
On record in Patch Radar
CVEs
57
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
CVEs with no fix yet
| Priority | CVE | Title | Status |
|---|---|---|---|
| Urgent | CVE-2026-115557 | Distrust compromised intermediate certificates in ssl module | no-fix |
| High | CVE-2025-15367 | POP3 command injection in user-controlled commands | no-fix |
| Routine | CVE-2024-3220 | Default mimetype known files writeable on Windows | no-fix |
| Routine | CVE-2026-103995 | Lenient parsing of integers for response body and chunk framing | no-fix |
| Routine | CVE-2026-114583 | tar filter allows writing outside destination via empty-named symlink | no-fix |
| Routine | CVE-2026-116566 | socket.getaddrinfo() accepts embedded null bytes in host and port | no-fix |
| Routine | CVE-2026-12345 | Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory | no-fix |
| Routine | CVE-2026-19672 | tarfile extraction filter bypass allows creation of directories outside the destination | no-fix |
| Routine | CVE-2026-3087 | shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs | no-fix |
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Urgent | Python 3.13 3.13.16 | 3.13.16 | 7 | Sep 30, 2026 | |
| High | Python 3.13 3.13.15 | 3.13.15 | 8 | Aug 5, 2026 | |
| High | Python 3.13 3.13.14 | 3.13.14 | 10 | Jun 10, 2026 | |
| High | Python 3.13 3.13.13 | 3.13.13 | 7 | Apr 7, 2026 | |
| High | Python 3.13 3.13.12 | 3.13.12 | 5 | Feb 3, 2026 | |
| High | Python 3.13 3.13.11 | 3.13.11 | 3 | Dec 5, 2025 | |
| Routine | Python 3.13 3.13.10 | 3.13.10 | 3 | Dec 2, 2025 | |
| High | Python 3.13 3.13.6 | 3.13.6 | 1 | Aug 6, 2025 | |
| High | Python 3.13 3.13.4 | 3.13.4 | 6 | Jun 3, 2025 | |
| High | Python 3.13 3.13.2 | 3.13.2 | 2 | Feb 4, 2025 | |
| High | Python 3.13 3.13.1 | 3.13.1 | 5 | Dec 3, 2024 |