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Servers and applications

CVE-2012-2795

Multiple unspecified vulnerabilities in libavcodec/wmalosslessdec.c in FFmpeg before 0.11 have unknown impact and attack vectors related to (1) size of "mclms arrays," (2) "a get_bits(0) in decode_ac_filter," and (3) "too many bits in decode_channel_residues()."

Severity
High 10.0
Published
10 Sept 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.6% in the next 30 daysHigher than 85% 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-2012-2795
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-2795