Use After Free Affecting libavutil-devel package, versions <3.4.2-4.34.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-SLES150-LIBAVUTILDEVEL-2669805
  • published14 Apr 2022
  • disclosed2 Sept 2021

Introduced: 2 Sep 2021

CVE-2020-13904  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 libavutil-devel to version 3.4.2-4.34.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libavutil-devel package and not the libavutil-devel package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.

CVSS Scores

version 3.1