CVE-2011-3937: The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in Libav 0.5.x before 0.5.9, 0.6.x before…

Unscored severity · published Jan 5, 2013

CVE-2011-3937

The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in Libav 0.5.x before 0.5.9, 0.6.x before…

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CVSS

2.3%

EPSS

On KEV

Description

The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1 has unspecified impact and attack vectors related to "width/height changing with frame threads."

Exploitation

Is it being used?

Exploit prediction (EPSS)2.3% · higher than 83% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Ffmpeg · Ffmpeg

through 0.9.1; 0.3; 0.3.1; 0.3.2; 0.3.3; 0.3.4; +34 more · source: NVD

Libav · Libav

0.5; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; +18 more · source: NVD