DescriptionThe parseRTSPRequestString function in Live Networks Live555 Streaming Media 2013.11.26, as used in VideoLAN VLC Media Player, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a space character at the beginning of an RTSP message, which triggers an integer underflow, infinite loop, and buffer overflow. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-6933.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
liblivemedia (PTS)stretch, stretch (security)2016.11.28-1+deb9u2fixed
mplayer (PTS)stretch2:1.3.0-6fixed
vlc (PTS)stretch3.0.11-0+deb9u1fixed
stretch (security)3.0.11-0+deb9u2fixed
buster, buster (security)3.0.12-0+deb10u1fixed
bookworm, sid3.0.17.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
liblivemediasource(unstable)(not affected)
mplayersource(unstable)(not affected)
mplayer2source(unstable)(not affected)
vlcsource(unstable)(not affected)


- liblivemedia <not-affected> (incomplete patch never applied)
- vlc <not-affected> (never built against liblivemedia with incomplete patch)
- mplayer <not-affected> (never built against liblivemedia with incomplete patch)
- mplayer2 <not-affected> (b-d's on liblivemedia but doesn't actually build the support for it)

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