Is Fedora 40 patched?
Current stable (44): 100/100
Summary iPlain-English security status for Fedora 40, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Fedora 40 is part of the 40 release line. 1 actively-exploited vulnerability affects it (CISA KEV). The 40 line reached end-of-life on 2025-05-13, so it no longer receives security patches. The latest supported Fedora release is 44.
Known issues affecting 40
Exploited first, then by exploitation probability.
CVE-2012-1823 CRITICAL exploited EPSS 100% → see advisoryOther Fedora versions
Check another release line of Fedora.
Frequently asked
Is Fedora 40 patched?
No — 1 actively-exploited vulnerability affects Fedora 40. Upgrade to 44.
When does Fedora 40 reach end-of-life?
Fedora 40 reached end-of-life on 2025-05-13 and no longer receives security patches.
What is the latest version of Fedora?
The latest supported Fedora release is 44.
Is Fedora 40 still receiving security updates?
No — Fedora 40 is on the 40 line, which reached end-of-life on 2025-05-13 and no longer receives security updates. Upgrade to 44 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 Fedora Project's official advisory before you patch or upgrade — Fedora official site ↗