USN-7738-1: FFmpeg vulnerability

Publication date

4 September 2025

Overview

FFmpeg could be made to crash if it received specially crafted input.


Packages

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

Details

It was discovered that FFmpeg incorrectly handled the calculation of
LPC order, which could lead to a stack-based buffer overflow. An attacker
could possibly use this issue to cause FFmpeg to crash, resulting in a
denial of service.

It was discovered that FFmpeg incorrectly handled the calculation of
LPC order, which could lead to a stack-based buffer overflow. An attacker
could possibly use this issue to cause FFmpeg to crash, resulting in a
denial of service.

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
25.04 plucky ffmpeg –  7:7.1.1-1ubuntu1.2
libavcodec-dev –  7:7.1.1-1ubuntu1.2
24.04 noble ffmpeg –  7:6.1.1-3ubuntu5+esm4  
libavcodec-dev –  7:6.1.1-3ubuntu5+esm4  
22.04 jammy ffmpeg –  7:4.4.2-0ubuntu0.22.04.1+esm8  
libavcodec-dev –  7:4.4.2-0ubuntu0.22.04.1+esm8  
20.04 focal ffmpeg –  7:4.2.7-0ubuntu0.1+esm9  
libavcodec-dev –  7:4.2.7-0ubuntu0.1+esm9  
18.04 bionic ffmpeg –  7:3.4.11-0ubuntu0.1+esm9  
libavcodec-dev –  7:3.4.11-0ubuntu0.1+esm9  
16.04 xenial ffmpeg –  7:2.8.17-0ubuntu0.1+esm11  
libavcodec-dev –  7:2.8.17-0ubuntu0.1+esm11  

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