DescriptionThe ff_hevc_parse_sps function in libavcodec/hevc_ps.c in FFmpeg before 2.8.2 does not validate the Chroma Format Indicator, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted High Efficiency Video Coding (HEVC) data.
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 severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch (security), stretch7:3.2.10-1~deb9u1fixed
buster, sid7:3.4.2-1fixed
libav (PTS)wheezy6:0.8.17-2fixed
wheezy (security)6:0.8.21-0+deb7u1fixed
jessie (security)6:11.12-1~deb8u1undetermined

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcesqueeze(not affected)
libavsourcewheezy(not affected)


[squeeze] - ffmpeg <not-affected> (Vulnerable code not present)
[wheezy] - libav <not-affected> (Vulnerable code not present);a=commit;h=93f30f825c08477fe8f76be00539e96014cc83c8

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