CVE-2011-1931: Ffmpeg

Medium severity, CVSS 6.8. EPSS: 2.2% chance of exploitation in the next 30 days.

sp5xdec.c in the Sunplus SP5X JPEG decoder in libavcodec in FFmpeg before 0.6.3 and libav through 0.6.2, as used in VideoLAN VLC media player 1.1.9 and earlier and other products, performs a write operation outside the bounds of an unspecified array, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a malformed AMV file.

Affected products

• Ffmpeg Ffmpeg: up to and including 0.6.2; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …
• Libav Libav: up to and including 0.6.2; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …
• Videolan Vlc Media Player: up to and including 1.1.9; version 0.1.99b only; version 0.1.99e only; version 0.1.99f only; version 0.1.99g only; version 0.1.99h only; …

Published 2011-07-07. Last modified 2026-06-16.