CVE-2018-13303: Ffmpeg

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

Affected products

• Ffmpeg Ffmpeg: version 4.0.1 only

Published 2018-07-05. Last modified 2026-06-17.