USN-8738-1: FFmpeg vulnerabilities

Publication date

8 September 2026

Overview

Several security issues were fixed in FFmpeg.

Releases


Packages

  • ffmpeg - Tools for transcoding, streaming and playing of multimedia files

Details

It was discovered that FFmpeg incorrectly handled certain video frames
when using the hqdn3d filter. An attacker could possibly use this issue
to cause a denial of service or execute arbitrary code. (CVE-2026-66036)

Adrian Junge discovered that FFmpeg incorrectly handled certain
compressed video files. An attacker could possibly use this issue to
expose sensitive information. (CVE-2026-66038)

Adrian Junge discovered that FFmpeg incorrectly handled certain audio
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-66039)

Adrian Junge discovered that FFmpeg incorrectly handled certain subtitle
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (

It was discovered that FFmpeg incorrectly handled certain video frames
when using the hqdn3d filter. An attacker could possibly use this issue
to cause a denial of service or execute arbitrary code. (CVE-2026-66036)

Adrian Junge discovered that FFmpeg incorrectly handled certain
compressed video files. An attacker could possibly use this issue to
expose sensitive information. (CVE-2026-66038)

Adrian Junge discovered that FFmpeg incorrectly handled certain audio
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-66039)

Adrian Junge discovered that FFmpeg incorrectly handled certain subtitle
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-70628)

Adrian Junge discovered that FFmpeg incorrectly handled certain video
files. An attacker could possibly use this issue to cause a denial of
service or execute arbitrary code. (CVE-2026-70632)


Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute ffmpeg –  7:8.0.1-3ubuntu2+esm3  
libavcodec-dev –  7:8.0.1-3ubuntu2+esm3  
libavcodec-extra –  7:8.0.1-3ubuntu2+esm3  
libavcodec-extra62 –  7:8.0.1-3ubuntu2+esm3  
libavcodec62 –  7:8.0.1-3ubuntu2+esm3  
libavdevice-dev –  7:8.0.1-3ubuntu2+esm3  
libavdevice62 –  7:8.0.1-3ubuntu2+esm3  
libavfilter-dev –  7:8.0.1-3ubuntu2+esm3  
libavfilter-extra –  7:8.0.1-3ubuntu2+esm3  
libavfilter-extra11 –  7:8.0.1-3ubuntu2+esm3  
libavfilter11 –  7:8.0.1-3ubuntu2+esm3  
libavformat-dev –  7:8.0.1-3ubuntu2+esm3  
libavformat-extra –  7:8.0.1-3ubuntu2+esm3  
libavformat-extra62 –  7:8.0.1-3ubuntu2+esm3  
libavformat62 –  7:8.0.1-3ubuntu2+esm3  
libavutil-dev –  7:8.0.1-3ubuntu2+esm3  
libavutil60 –  7:8.0.1-3ubuntu2+esm3  
libswresample-dev –  7:8.0.1-3ubuntu2+esm3  
libswresample6 –  7:8.0.1-3ubuntu2+esm3  
libswscale-dev –  7:8.0.1-3ubuntu2+esm3  
libswscale9 –  7:8.0.1-3ubuntu2+esm3  

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