All vulnerabilities

Servers and applications

CVE-2009-4634

Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.

Severity
High 10.0
Published
10 Feb 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
7.2% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Version 0.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-4634
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-4634