CVE-2026-75141

ffmpeg: FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer

CVE-2026-75141 is fixed in 49 products on 1 platform, first by ffmpeg 7:8.0.1-3ubuntu2+esm4, released August 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0020
9th percentile

FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer. When writing an HEVC configuration record with more NAL units of a single type than the count field can represent, the NAL unit count overflows, causing a heap buffer overflow. A crafted HEVC input file triggers the overflow during muxing.

Where it's fixed

ProductFixed inFixReleased
Linux
ffmpeg · Debian 14 7:9.0.2-1 DEBIAN-CVE-2026-75141 Aug 19, 2026
ffmpeg · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 ffmpeg 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
ffmpeg · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 ffmpeg 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
ffmpeg · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 ffmpeg 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
ffmpeg · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 ffmpeg 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
ffmpeg · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 ffmpeg 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
ffmpeg-7 · opensuse-leap 16.0 7.1.5-160000.1.1 OPENSUSE-SU-2026:21877-1 Sep 18, 2026
libavcodec-extra · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavcodec-extra 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavcodec-extra · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavcodec-extra 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavcodec-extra · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavcodec-extra 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavcodec-extra · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavcodec-extra 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavcodec-extra · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavcodec-extra 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavcodec-extra57 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavcodec-extra57 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavcodec-extra58 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavcodec-extra58 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavcodec-extra58 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavcodec-extra58 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavcodec-extra60 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavcodec-extra60 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavcodec-extra62 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavcodec-extra62 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavcodec57 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavcodec57 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavcodec58 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavcodec58 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavcodec58 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavcodec58 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavcodec60 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavcodec60 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavcodec62 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavcodec62 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavdevice57 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavdevice57 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavdevice58 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavdevice58 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavdevice58 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavdevice58 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavdevice60 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavdevice60 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavdevice62 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavdevice62 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavfilter-extra · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavfilter-extra 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavfilter-extra · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavfilter-extra 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavfilter-extra · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavfilter-extra 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavfilter-extra · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavfilter-extra 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavfilter-extra · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavfilter-extra 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavfilter-extra11 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavfilter-extra11 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavfilter-extra6 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavfilter-extra6 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavfilter-extra7 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavfilter-extra7 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavfilter-extra7 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavfilter-extra7 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavfilter-extra9 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavfilter-extra9 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavfilter11 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavfilter11 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavfilter6 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavfilter6 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavfilter7 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavfilter7 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavfilter7 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavfilter7 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavfilter9 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavfilter9 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavformat-extra · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavformat-extra 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavformat-extra · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavformat-extra 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavformat-extra · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavformat-extra 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavformat-extra58 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavformat-extra58 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavformat-extra60 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavformat-extra60 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavformat-extra62 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavformat-extra62 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavformat57 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavformat57 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavformat58 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavformat58 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavformat58 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavformat58 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavformat60 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavformat60 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavformat62 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavformat62 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libavresample3 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavresample3 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavresample4 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavresample4 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavutil55 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libavutil55 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libavutil56 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libavutil56 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libavutil56 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libavutil56 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libavutil58 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libavutil58 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libavutil60 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libavutil60 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libpostproc54 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libpostproc54 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libpostproc55 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libpostproc55 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libpostproc55 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libpostproc55 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libpostproc57 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libpostproc57 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libswresample2 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libswresample2 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libswresample3 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libswresample3 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libswresample3 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libswresample3 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libswresample4 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libswresample4 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libswresample6 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libswresample6 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026
libswscale4 · Ubuntu 18.04.6 LTS (bionic) 7:3.4.11-0ubuntu0.1+esm15 libswscale4 7:3.4.11-0ubuntu0.1+esm15 Sep 5, 2026
libswscale5 · Ubuntu 20.04 LTS (focal) 7:4.2.7-0ubuntu0.1+esm16 libswscale5 7:4.2.7-0ubuntu0.1+esm16 Sep 5, 2026
libswscale5 · Ubuntu 22.04.1 LTS (jammy) 7:4.4.2-0ubuntu0.22.04.1+esm15 libswscale5 7:4.4.2-0ubuntu0.22.04.1+esm15 Sep 5, 2026
libswscale7 · Ubuntu 24.04.5 LTS (noble) 7:6.1.1-3ubuntu5+esm13 libswscale7 7:6.1.1-3ubuntu5+esm13 Sep 5, 2026
libswscale9 · Ubuntu 26.04.1 LTS (resolute) 7:8.0.1-3ubuntu2+esm4 libswscale9 7:8.0.1-3ubuntu2+esm4 Aug 19, 2026

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