CVE-2026-52296

FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.

Score

CVSS 3.1 7.1 High

Status

Analyzed - cve@mitre.org

Published

2026-09-13

Last modified

2026-10-14

Weaknesses

CWE-125

Affected products

• Ffmpeg (Ffmpeg)

References

• https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding
• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/23227a444de4a8f7696f46660cdd044b460f7e47