CVE-2015-6820

NameCVE-2015-6820
DescriptionThe ff_sbr_apply function in libavcodec/aacsbr.c in FFmpeg before 2.7.2 does not check for a matching AAC frame syntax element before proceeding with Spectral Band Replication calculations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted AAC 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, sid7:3.4.2-2fixed
libav (PTS)jessie6:11.11-1~deb8u1undetermined
jessie (security)6:11.12-1~deb8u1undetermined

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)7:2.7.2-1high
ffmpegsourcesqueeze(unfixed)end-of-life
libavsource(unstable)undeterminedhigh

Notes

[squeeze] - ffmpeg <end-of-life> (Not supported in Squeeze LTS)

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