CVE-2026-52296: Ffmpeg

Low severity, CVSS 2.9. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Ffmpeg Ffmpeg: before 9.0 (fixed in 9.0)

Published 2026-09-13. Last modified 2026-09-22.