Is Python 3.9.25 patched?
Current stable (3.14.6): 89/100
Summary iPlain-English security status for Python 3.9.25, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Python 3.9.25 is part of the 3.9 release line. 12 known vulnerabilities affect it. The 3.9 line reached end-of-life on 2025-10-31, so it no longer receives security patches. The latest supported Python release is 3.14.6.
Known issues affecting 3.9.25
Exploited first, then by exploitation probability.
CVE-2025-13836 HIGH EPSS 1% → fixed in 3.13.11 CVE-2023-36632 HIGH EPSS 1% → see advisory CVE-2026-7210 HIGH EPSS 1% → fixed in 3.15.0 CVE-2025-12084 MEDIUM EPSS 1% → fixed in 3.14.2 CVE-2026-4224 HIGH EPSS 1% → fixed in 3.14.4 CVE-2026-3087 HIGH EPSS 1% → see advisory CVE-2025-12781 MEDIUM EPSS 1% → fixed in 3.14.1 CVE-2026-3644 HIGH EPSS 0% → fixed in 3.14.4 CVE-2026-6019 MEDIUM EPSS 0% → fixed in 3.15.0 CVE-2026-4519 LOW EPSS 0% → fixed in 3.14.4 CVE-2025-13837 MEDIUM EPSS 0% → fixed in 3.14.1 CVE-2025-13462 LOW EPSS 0% → fixed in 3.14.4Other Python versions
Check another release line of Python.
Frequently asked
Is Python 3.9.25 patched?
Python 3.9.25 is end-of-life and no longer receives security patches. Move to 3.14.6.
When does Python 3.9 reach end-of-life?
Python 3.9 reached end-of-life on 2025-10-31 and no longer receives security patches.
What is the latest version of Python?
The latest supported Python release is 3.14.6.
Is Python 3.9.25 still receiving security updates?
No — Python 3.9.25 is on the 3.9 line, which reached end-of-life on 2025-10-31 and no longer receives security updates. Upgrade to 3.14.6 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Python's official advisory before you patch or upgrade — Python official site ↗