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Fencer Vulns
critical 10.0

CVE-2008-4866 json

Multiple buffer overflows in libavformat/utils.c in FFmpeg 0.4.9 before r14715, as used by MPlayer, allow context-dependent attackers to ha…

published 2008-10-31 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4845

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Multiple buffer overflows in libavformat/utils.c in FFmpeg 0.4.9 before r14715, as used by MPlayer, allow context-dependent attackers to have an unknown impact via vectors related to execution of DTS generation code with a delay greater than MAX_REORDER_DELAY.

Patch / fix

  • ffmpeg Debian 14, Debian 13, Debian 12 0.svn20080206-14
  • mplayer Debian 14, Debian 13, Debian 12 1.0~rc2-14

debian advisories DEBIAN-CVE-2008-4866

Exploit prediction

4.69% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • lists.mplayerhq.hu http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-August/016011.html referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/fulldisclosure/2008-09/0103.html referenced PoC, tagged "exploit" by a source, unverified
  • lists.mplayerhq.hu http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/2008-August/016012.html 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.