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Servers and applications

CVE-2020-21041

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

Severity
High 7.5
Published
24 May 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 4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-21041
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-21041