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Fencer Vulns
high 7.6

CVE-2007-4938 in the critical feed json

Heap-based buffer overflow in libmpdemux/aviheader.c in MPlayer 1.0rc1 and earlier allows remote attackers to cause a denial of service (ap…

published 2007-09-18 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4919

cvss
7.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.0%
EPSS 16.0% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Heap-based buffer overflow in libmpdemux/aviheader.c in MPlayer 1.0rc1 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a .avi file with certain large "indx truck size" and nEntriesInuse values, and a certain wLongsPerEntry value.

Patch / fix

  • mplayer Debian 14, Debian 13, Debian 12 1.0~rc1-16.1

debian advisories DEBIAN-CVE-2007-4938

Timeline

  1. First public exploit (EDB-30578)
  2. Published

Exploit prediction

16.05% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30578 MPlayer 1.0 - AVIHeader.C Heap Buffer Overflow dos, 2007-09-12
  • securityfocus.com http://www.securityfocus.com/bid/25648 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 7.6 AV:N/AC:H/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.