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FFmpeg: CVE-2020-21041: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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FFmpeg: CVE-2020-21041: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
05/24/2021
Created
06/01/2021
Added
05/31/2021
Modified
11/25/2022

Description

Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service

Solution(s)

  • ffmpeg-upgrade-2_8_20
  • ffmpeg-upgrade-3_2_18
  • ffmpeg-upgrade-3_4_11
  • ffmpeg-upgrade-4_1_8
  • ffmpeg-upgrade-4_2_7
  • ffmpeg-upgrade-4_3_5
  • ffmpeg-upgrade-4_4

References

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