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.

  • Published Sep 13, 2026
  • CVSS 2.9 low
  • 0.2% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-52296 at the National Vulnerability Database