CVE-2009-4639

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-02-10 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

FFmpeg: 0.5

References

http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html
http://secunia.com/advisories/36805
http://secunia.com/advisories/39482
http://www.mandriva.com/security/advisories?name=MDVSA-2011:059
http://www.mandriva.com/security/advisories?name=MDVSA-2011:060
http://www.mandriva.com/security/advisories?name=MDVSA-2011:061
http://www.mandriva.com/security/advisories?name=MDVSA-2011:088
http://www.mandriva.com/security/advisories?name=MDVSA-2011:112
http://www.securityfocus.com/bid/36465
http://www.ubuntu.com/usn/USN-931-1
http://www.vupen.com/english/advisories/2010/0935
http://www.vupen.com/english/advisories/2011/1241

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