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Fencer Vulns
critical 9.3

CVE-2009-4309 in the critical feed json

Heap-based buffer overflow in the Intel Indeo41 codec for Windows Media Player in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 20…

published 2009-12-13 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4277

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.1%
EPSS 24.1% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Heap-based buffer overflow in the Intel Indeo41 codec for Windows Media Player in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 allows remote attackers to execute arbitrary code via a large size value in a movi record in an IV41 stream in a media file, as demonstrated by an AVI file.

Patch / fix

Exploit prediction

24.11% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/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.