CVE-2026-40962
ffmpeg: FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample da...
CVE-2026-40962 is fixed in 39 products on 1 platform, first by ffmpeg 7:4.2.7-0ubuntu0.1+esm13, released April 15, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ffmpeg · Debian 12.15 (bookworm) | 7:5.1.9-0+deb12u1 | DEBIAN-CVE-2026-40962 | May 15, 2026 |
| ffmpeg · Debian 13.5 (trixie) | 7:7.1.4-0+deb13u1 | DEBIAN-CVE-2026-40962 | May 15, 2026 |
| ffmpeg · Debian 14 | 7:8.1-1 | DEBIAN-CVE-2026-40962 | May 15, 2026 |
| ffmpeg · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | ffmpeg 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| ffmpeg · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | ffmpeg 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| ffmpeg · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | ffmpeg 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| ffmpeg · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | ffmpeg 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| ffmpeg-4 · sles 15.7 | 4.4.7-150600.13.47.1 | SUSE-SU-2026:2445-1 | Jun 18, 2026 |
| ffmpeg-7 · opensuse-leap 16.0 | 7.1.4-160000.1.1 | OPENSUSE-SU-2026:21211-1 | Jul 2, 2026 |
| libavcodec-extra · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavcodec-extra 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavcodec-extra · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavcodec-extra 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavcodec-extra · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavcodec-extra 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavcodec-extra · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavcodec-extra 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavcodec-extra58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavcodec-extra58 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavcodec-extra58 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavcodec-extra58 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavcodec-extra60 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavcodec-extra60 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavcodec-extra62 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavcodec-extra62 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavcodec58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavcodec58 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavcodec58 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavcodec58 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavcodec60 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavcodec60 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavcodec62 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavcodec62 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavdevice58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavdevice58 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavdevice58 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavdevice58 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavdevice60 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavdevice60 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavdevice62 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavdevice62 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavfilter-extra · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavfilter-extra 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavfilter-extra · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavfilter-extra 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavfilter-extra · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavfilter-extra 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavfilter-extra · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavfilter-extra 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavfilter-extra11 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavfilter-extra11 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavfilter-extra7 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavfilter-extra7 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavfilter-extra7 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavfilter-extra7 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavfilter-extra9 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavfilter-extra9 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavfilter11 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavfilter11 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavfilter7 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavfilter7 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavfilter7 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavfilter7 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavfilter9 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavfilter9 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavformat-extra · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavformat-extra 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavformat-extra · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavformat-extra 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavformat-extra · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavformat-extra 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavformat-extra58 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavformat-extra58 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavformat-extra60 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavformat-extra60 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavformat-extra62 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavformat-extra62 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavformat58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavformat58 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavformat58 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavformat58 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavformat60 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavformat60 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavformat62 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavformat62 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libavresample4 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavresample4 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavutil56 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libavutil56 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libavutil56 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libavutil56 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libavutil58 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libavutil58 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libavutil60 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libavutil60 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libpostproc55 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libpostproc55 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libpostproc55 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libpostproc55 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libpostproc57 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libpostproc57 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libswresample3 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libswresample3 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libswresample3 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libswresample3 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libswresample4 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libswresample4 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libswresample6 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libswresample6 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
| libswscale5 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1+esm13 | libswscale5 7:4.2.7-0ubuntu0.1+esm13 | Apr 15, 2026 |
| libswscale5 · Ubuntu 22.04.1 LTS (jammy) | 7:4.4.2-0ubuntu0.22.04.1+esm12 | libswscale5 7:4.4.2-0ubuntu0.22.04.1+esm12 | Apr 15, 2026 |
| libswscale7 · Ubuntu 24.04.5 LTS (noble) | 7:6.1.1-3ubuntu5+esm10 | libswscale7 7:6.1.1-3ubuntu5+esm10 | Apr 15, 2026 |
| libswscale9 · Ubuntu 26.04.1 LTS (resolute) | 7:8.0.1-3ubuntu2+esm1 | libswscale9 7:8.0.1-3ubuntu2+esm1 | Apr 15, 2026 |
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