Ubuntu 25.10: Critical Denial of Service Vulnerability in FFmpeg USN-7871

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 Summary: FFmpeg could be made to crash if it opened a specially crafted file. Software Description: - ffmpeg: Tools for transcoding, streaming and playing of multimedia files Details: It was discovered that FFmpeg incorrectly handled memory allocation in the ALS audio decoder. If a user was tricked into loading a crafted media file, a remote attacker could possibly use this issue to make FFmpeg crash, resulting in a denial of service.

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 Summary: FFmpeg could be made to crash if it opened a specially crafted file. Software Description: - ffmpeg: Tools for transcoding, streaming and playing of multimedia files Details: It was discovered that FFmpeg incorrectly handled memory allocation in the ALS audio decoder. If a user was tricked into loading a crafted media file, a remote attacker could possibly use this issue to make FFmpeg crash, resulting in a denial of service.

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 ffmpeg 7:7.1.1-1ubuntu4.1 libavcodec61 7:7.1.1-1ubuntu4.1 libavformat61 7:7.1.1-1ubuntu4.1 Ubuntu 25.04 ffmpeg 7:7.1.1-1ubuntu1.3 libavcodec61 7:7.1.1-1ubuntu1.3 libavformat61 7:7.1.1-1ubuntu1.3 In general, a standard system update will make all the necessary changes.

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 ffmpeg 7:7.1.1-1ubuntu4.1 libavcodec61 7:7.1.1-1ubuntu4.1 libavformat61 7:7.1.1-1ubuntu4.1 Ubuntu 25.04 ffmpeg 7:7.1.1-1ubuntu1.3 libavcodec61 7:7.1.1-1ubuntu1.3 libavformat61 7:7.1.1-1ubuntu1.3 In general, a standard system update will make all the necessary changes.

CVE-2025-7700