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Vulnerability record · CVE-2011-3937 · published 5 January 2013

CVE-2011-3937: Ffmpeg vulnerability

Ffmpeg · Ffmpeg

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."

10.0 CVSS 2.0 High EPSS 2.3% · top 17.6%
10.0CVSS 2.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

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."

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ffmpeg.org/security.html
http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba
http://libav.org/news.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
http://ffmpeg.org/security.html
http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba
http://libav.org/news.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:079

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-3984Libav vulnerabilityMultiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors.EPSS 4.0%10.0CVE-2013-0864Ffmpeg vulnerabilityThe gif_copy_img_rect function in libavcodec/gifdec.c in FFmpeg before 1.1.2 performs an incorrect calculation for an "end pointer," which allows rem…EPSS 2.8%10.0CVE-2013-0872Ffmpeg memory buffer overflow vulnerabilityThe swr_init function in libswresample/swresample.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid or un…EPSS 2.8%10.0CVE-2013-0873Ffmpeg improper input validation vulnerabilityThe read_header function in libavcodec/shorten.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid channel …EPSS 2.8%10.0CVE-2013-4265Ffmpeg vulnerabilityThe av_reallocp_array function in libavutil/mem.c in FFmpeg before 2.0.1 has an unspecified impact and remote vectors related to a "wrong return code…EPSS 2.5%10.0CVE-2012-5144Canonical ubuntu linux memory buffer overflow vulnerabilityGoogle Chrome before 23.0.1271.97, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.5, do not properly perform AAC decoding, which allows remote att…EPSS 3.4%10.0CVE-2012-2797Ffmpeg vulnerabilityUnspecified vulnerability in the decode_frame_mp3on4 function in libavcodec/mpegaudiodec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unk…EPSS 2.6%10.0CVE-2012-2798Libav vulnerabilityUnspecified vulnerability in the decode_dds1 function in libavcodec/dfa.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4,…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2011-3937), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.