CVE-2020-14212

NameCVE-2020-14212
DescriptionFFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch7:3.2.14-1~deb9u1fixed
stretch (security)7:3.2.15-0+deb9u1fixed
buster, buster (security)7:4.1.6-1~deb10u1fixed
bullseye, sid7:4.3.1-1fixed

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

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

Notes

[buster] - ffmpeg <not-affected> (Vulnerable code not present)
[stretch] - ffmpeg <not-affected> (Vulnerable code not present)
https://trac.ffmpeg.org/ticket/8716
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0b3bd001ac1745d9d008a2d195817df57d7d1d14

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