NULL Pointer Dereference Affecting ffmpeg package, versions <7:4.0.2-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FFMPEG-416777
  • published11 Jul 2018
  • disclosed5 Jul 2018

Introduced: 5 Jul 2018

CVE-2018-13303  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ffmpeg to version 7:4.0.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.