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Vulnerability record · CVE-2009-4631 · published 10 February 2010

CVE-2009-4631: Ffmpeg vulnerability

Ffmpeg · Ffmpeg

Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.

9.3 CVSS 2.0 High EPSS 5.1% · top 8.0% CWE-189 · CWE-189
9.3CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.

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

Affected products

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

References

LinkTags
http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html Exploit
http://secunia.com/advisories/36805
http://secunia.com/advisories/38643
http://www.debian.org/security/2010/dsa-2000
http://www.securityfocus.com/bid/36465
https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240
https://roundup.ffmpeg.org/roundup/ffmpeg/issue1483
http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html Exploit
http://secunia.com/advisories/36805
http://secunia.com/advisories/38643
http://www.debian.org/security/2010/dsa-2000
http://www.securityfocus.com/bid/36465
https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240
https://roundup.ffmpeg.org/roundup/ffmpeg/issue1483

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Related vulnerabilities

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

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-2011-3937Ffmpeg vulnerabilityThe 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 b…EPSS 2.3%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%10.0CVE-2012-2799Ffmpeg vulnerabilityUnspecified vulnerability in libavcodec/wmalosslessdec.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to the "put bit buffer …EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2009-4631), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.