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FFmpeg: CVE-2020-22020: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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FFmpeg: CVE-2020-22020: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
05/26/2021
Created
06/07/2021
Added
06/07/2021
Modified
05/16/2022

Description

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.

Solution(s)

  • ffmpeg-upgrade-3_2_18
  • ffmpeg-upgrade-3_4_11
  • ffmpeg-upgrade-4_1_8
  • ffmpeg-upgrade-4_2_7
  • ffmpeg-upgrade-4_3

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