CVE-2009-0893

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-06-02 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple heap-based buffer overflows in xvidcore/src/decoder.c in the xvidcore library in Xvid before 1.2.2, as used by Windows Media Player and other applications, allow remote attackers to execute arbitrary code by providing a crafted macroblock (aka MBlock) number in a video stream in a crafted movie file that triggers heap memory corruption, related to a "missing resync marker range check" and the (1) decoder_iframe, (2) decoder_pframe, and (3) decoder_bframe functions.

Affected products

Xvid: through 1.2.1; 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.2.0

References

http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c
http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c?r1=1.80&r2=1.81
http://secunia.com/advisories/35274
http://www.securityfocus.com/bid/35156
http://www.vupen.com/english/advisories/2009/1468
http://www.xvid.org/News.64.0.html?&cHash=0170b4e439&tx_ttnews%5BbackPid%5D=64&tx_ttnews%5Btt_news%5D=7
https://www.it-isac.org/postings/cyber/alertdetail.php?id=4634&selyear=2009&menutype=menupublic
http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c
http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c?r1=1.80&r2=1.81
http://secunia.com/advisories/35274
http://www.securityfocus.com/bid/35156
http://www.vupen.com/english/advisories/2009/1468

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