Unrated severityNVD Advisory· Published Feb 10, 2010· Updated Jun 16, 2026

CVE-2009-4639

Description

The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FFmpeg/Ffmpeg2 versions
cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*
- (no CPE)range: =0.5

Patches

Vulnerability mechanics

References

scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.htmlnvdExploit
secunia.com/advisories/36805nvd
secunia.com/advisories/39482nvd
www.mandriva.com/security/advisoriesnvd
www.mandriva.com/security/advisoriesnvd
www.mandriva.com/security/advisoriesnvd
www.mandriva.com/security/advisoriesnvd
www.mandriva.com/security/advisoriesnvd
www.securityfocus.com/bid/36465nvd
www.ubuntu.com/usn/USN-931-1nvd
www.vupen.com/english/advisories/2010/0935nvd
www.vupen.com/english/advisories/2011/1241nvd
roundup.ffmpeg.org/roundup/ffmpeg/issue1240nvd
roundup.ffmpeg.org/roundup/ffmpeg/issue1245nvd

News mentions

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