CVE-2012-0849: Ffmpeg

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Integer overflow in the ff_j2k_dwt_init function in libavcodec/j2k_dwt.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted JPEG2000 image that triggers an incorrect check for a negative value.

Affected products

• Ffmpeg Ffmpeg: up to and including 0.9; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …

Published 2012-08-27. Last modified 2026-06-16.