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Servers and applications

CVE-2012-2775

Unspecified vulnerability in the read_var_block_data function in libavcodec/alsdec.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to a large order and an "out of array write in quant_cof."

Severity
High 10.0
Published
10 Sept 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
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 0.10.3
  • Version 0.10
  • Version 0.9.1
  • Version 0.9
All 54 release lines
  • Every version up to 0.10.4
  • Version 0.3
  • Version 0.3.1
  • Version 0.3.2
  • Version 0.3.3
  • Version 0.3.4
  • Version 0.4.0
  • Version 0.4.2
  • Version 0.4.3
  • Version 0.4.4
  • Version 0.4.5
  • Version 0.4.6
  • Version 0.4.7
  • Version 0.4.8
  • Version 0.4.9-pre1
  • Version 0.4.9
  • 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 0.7.9
  • Version 0.7.11
  • Version 0.7.12
  • 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
  • Version 0.8.8
  • Version 0.8.10
  • Version 0.8.11
  • Version 0.9
  • Version 0.9.1
  • Version 0.10
  • Version 0.10.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-2775
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-2775