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Fencer Vulns
critical 9.3

CVE-2007-4939 in the critical feed json

Heap-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9.0 and earlier, as used standalone and in mympc (aka CD-Storm…

published 2007-09-18 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4920

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.9%
EPSS 11.9% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Heap-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9.0 and earlier, as used standalone and in mympc (aka CD-Storm) 1.0.0.1, StormPlayer 1.0.4, and possibly other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with an "indx truck size" of 0xffffffff, and certain wLongsPerEntry and nEntriesInuse values.

Timeline

  1. First public exploit (EDB-30579)
  2. Published

Exploit prediction

11.91% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30579 Media Player Classic 6.4.9 - Malformed AVI Header Multiple Remote Vulnerabilities dos, 2007-09-12
  • securityfocus.com http://www.securityfocus.com/bid/25650 referenced PoC, tagged "exploit" by a source, unverified
  • vulnhunt.com http://www.vulnhunt.com/advisories/CAL-20070912-1_Multiple_vendor_produce_handling_AVI_file_vulnerabilities.txt referenced PoC, tagged "exploit" by a source, unverified

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.