CVE-2013-2495: Ffmpeg

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The iff_read_header function in iff.c in libavformat in FFmpeg through 1.1.3 does not properly handle data sizes for Interchange File Format (IFF) data during operations involving a CMAP chunk or a video codec, which allows remote attackers to cause a denial of service (integer overflow, out-of-bounds array access, and application crash) or possibly have unspecified other impact via a crafted header.

Affected products

• Ffmpeg Ffmpeg: up to and including 1.1.3; 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 2013-03-09. Last modified 2026-06-16.