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Fencer Vulns
critical 10.0

CVE-2009-0894 json

Heap-based buffer overflow in the decoder_create function in the initialization functionality in xvidcore/src/decoder.c in Xvid before 1.2.…

published 2009-06-02 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0891

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.7%
EPSS 5.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Heap-based buffer overflow in the decoder_create function in the initialization functionality in xvidcore/src/decoder.c in Xvid before 1.2.2, as used by Windows Media Player and other applications, allows remote attackers to execute arbitrary code via vectors involving the DirectShow (aka DShow) frontend and improper handling of the XVID_ERR_MEMORY return code during processing of a crafted movie file. NOTE: some of these details are obtained from third party information.

Patch / fix

Exploit prediction

5.70% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cvs.xvid.org http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c referenced PoC, tagged "exploit" by a source, unverified
  • cvs.xvid.org http://cvs.xvid.org/cvs/viewvc.cgi/xvidcore/src/decoder.c?r1=1.80&r2=1.81 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.