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Servers and applications

CVE-2011-4352

Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a…

Severity
Medium 6.8
Published
20 Aug 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Description

Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.

From NVD.

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Version 0.8.7
  • Version 0.8.6
  • Version 0.8.5.4
  • Version 0.8.5.3
All 28 release lines
  • Version 0.5
  • Version 0.5.1
  • Version 0.5.2
  • Version 0.5.3
  • Version 0.5.4
  • Version 0.5.4.5
  • Version 0.5.4.6
  • Version 0.6
  • Version 0.6.1
  • Version 0.6.2
  • Version 0.6.3
  • Version 0.7
  • Version 0.7.1
  • Version 0.7.2
  • Version 0.7.3
  • Version 0.7.4
  • Version 0.7.5
  • Version 0.7.6
  • Version 0.7.7
  • Version 0.7.8
  • Version 0.8.0
  • Version 0.8.1
  • Version 0.8.2
  • Version 0.8.5
  • Version 0.8.5.3
  • Version 0.8.5.4
  • Version 0.8.6
  • Version 0.8.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4352
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4352