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Is FFmpeg 4.3.9 patched?

FFmpeg · cycle 4.3 · end of life · Official site ↗
4.3.940/100End of life

Current stable (9.0.1): 100/100

Minimum safe version9

4.3.9 has 11 open critical-or-high vulnerabilities. Run 9 or later to clear them. See what 9 fixes →

Health score40/100
Open issues15
Exploited now0
Cycle 4.3 EOL2026-06-21
Latest release9.0.1

Summary iPlain-English security status for FFmpeg 4.3.9, built from its CVEs, active-exploitation data, end-of-life date and latest release.

FFmpeg 4.3.9 is part of the 4.3 release line. 15 known vulnerabilities affect it. The minimum safe version is 9 — upgrade to it or later to clear the open critical/high issues. The 4.3 line reached end-of-life on 2026-06-21, so it no longer receives security patches. The latest supported FFmpeg release is 9.0.1.

Known issues affecting 4.3.9

Exploited first, then by exploitation probability.

CVE-2026-66040 HIGH EPSS 1% → see advisory CVE-2026-64834 HIGH EPSS 1% → see advisory CVE-2026-66039 HIGH EPSS 0% → see advisory CVE-2026-64830 HIGH EPSS 0% → see advisory CVE-2026-66036 HIGH EPSS 0% → see advisory CVE-2026-66038 MEDIUM EPSS 0% → see advisory CVE-2026-64833 HIGH EPSS 0% → see advisory CVE-2026-65703 HIGH EPSS 0% → see advisory CVE-2026-70628 HIGH EPSS 0% → fixed in 9 CVE-2026-65705 HIGH EPSS 0% → see advisory CVE-2026-65706 HIGH EPSS 0% → see advisory CVE-2026-70631 MEDIUM EPSS 0% → fixed in 9 CVE-2026-70629 MEDIUM EPSS 0% → fixed in 9 CVE-2026-70630 MEDIUM EPSS 0% → fixed in 9 CVE-2026-65704 HIGH EPSS 0% → see advisory

Other FFmpeg versions

Check another release line of FFmpeg.

FFmpeg 9.0.1FFmpeg 8.1.2FFmpeg 8.0.3FFmpeg 7.1.5FFmpeg 7.0.3FFmpeg 6.1.6FFmpeg 6.0.1FFmpeg 5.1.10FFmpeg 5.0.3FFmpeg 4.4.8FFmpeg 4.2.11FFmpeg 4.1.11FFmpeg 4.0.6FFmpeg 3.4.14FFmpeg 3.3.9FFmpeg 3.2.19FFmpeg 3.1.11FFmpeg 3.0.12FFmpeg 2.8.22FFmpeg 2.7.7FFmpeg 2.6.9FFmpeg 2.5.11FFmpeg 2.4.14FFmpeg 2.3.6FFmpeg 2.2.16FFmpeg 2.1.8FFmpeg 2.0.7FFmpeg 1.2.12FFmpeg 1.1.16FFmpeg 1.0.10FFmpeg 0.11.5FFmpeg 0.10.16FFmpeg 0.9.4FFmpeg 0.8.15FFmpeg 0.7.17FFmpeg 0.6.7FFmpeg 0.5.15

Frequently asked

Is FFmpeg 4.3.9 patched?

FFmpeg 4.3.9 is end-of-life and no longer receives security patches. Move to 9.0.1.

What version should I upgrade FFmpeg 4.3.9 to?

Upgrade FFmpeg 4.3.9 to at least 9 to clear its 11 open critical-or-high vulnerabilities.

When does FFmpeg 4.3 reach end-of-life?

FFmpeg 4.3 reached end-of-life on 2026-06-21 and no longer receives security patches.

What is the latest version of FFmpeg?

The latest supported FFmpeg release is 9.0.1.

Is FFmpeg 4.3.9 still receiving security updates?

No — FFmpeg 4.3.9 is on the 4.3 line, which reached end-of-life on 2026-06-21 and no longer receives security updates. Upgrade to 9.0.1 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 FFmpeg's official advisory before you patch or upgrade — FFmpeg official site ↗