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Servers and applications

CVE-2021-38171

adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.

Severity
Critical 9.8
Published
21 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Version 4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-38171
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-38171