CVE-2020-24020

NameCVE-2020-24020
DescriptionBuffer Overflow vulnerability in FFMpeg 4.2.3 in dnn_execute_layer_pad in libavfilter/dnn/dnn_backend_native_layer_pad.c due to a call to memcpy without length checks, which could let a remote malicious user execute arbitrary code.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)buster7:4.1.9-0+deb10u1fixed
buster (security)7:4.1.11-0+deb10u1fixed
bullseye (security), bullseye7:4.3.6-0+deb11u1fixed
bookworm7:5.1.4-0+deb12u1fixed
bookworm (security)7:5.1.5-0+deb12u1fixed
sid, trixie7:6.1.1-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcestretch(not affected)
ffmpegsourcebuster(not affected)
ffmpegsourcebullseye(not affected)
ffmpegsource(unstable)7:4.3.1-1

Notes

[bullseye] - ffmpeg <not-affected> (Vulnerable code not present)
[buster] - ffmpeg <not-affected> (Vulnerable code not present)
[stretch] - ffmpeg <not-affected> (Vulnerable code not present)
https://trac.ffmpeg.org/ticket/8718
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=584f396132aa19d21bb1e38ad9a5d428869290cb

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