CVE-2015-8363: Ffmpeg

Medium severity, CVSS 6.8. EPSS: 2.1% chance of exploitation in the next 30 days.

The jpeg2000_read_main_headers function in libavcodec/jpeg2000dec.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not enforce uniqueness of the SIZ marker in a JPEG 2000 image, which allows remote attackers to cause a denial of service (out-of-bounds heap-memory access) or possibly have unspecified other impact via a crafted image with two or more of these markers.

Affected products

• Ffmpeg Ffmpeg: version 2.6.4 only; version 2.7.0 only; version 2.7.1 only; version 2.7.2 only; version 2.8.0 only; version 2.8.1 only; …

Published 2015-11-26. Last modified 2026-06-17.