DescriptionThe ff_h2645_extract_rbsp function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs872517

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch7:3.2.5-1vulnerable
buster, sid7:3.3.3-3vulnerable
libav (PTS)wheezy6:0.8.17-2vulnerable
wheezy (security)6:0.8.20-0+deb7u1vulnerable
jessie (security), jessie6:11.9-1~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libavsourcejessie(not affected)


[jessie] - libav <not-affected> (Vulnerable code not present);a=commit;h=83b2b34d06e74cc8775ba3d833f9782505e17539

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