DescriptionA heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.
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~deb9u1vulnerable
stretch (security)7:3.2.15-0+deb9u4vulnerable
buster, buster (security)7:4.1.6-1~deb10u1vulnerable
bookworm, sid7:4.4-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - ffmpeg <postponed> (Wait for 4.1.8)
[stretch] - ffmpeg <ignored> (Required change too invasive, original patch need to be completely rewritten);a=commitdiff;h=e787f8fd7ee99ba0c3e0f086ce2ce59eea7ed86c

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