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CVE-2009-4634

10.0 · HIGH

Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_d…

Published Feb 10, 2010ffmpegCWE-189EPSS 7.15%

Overview

CVE-2009-4634 is a high-severity vulnerability affecting ffmpeg ffmpeg. It was published on February 10, 2010 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.

Remediation

Check the references section for vendor advisories and patches from ffmpeg. Update ffmpeg to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refscarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.htmlRefsecunia.com/advisories/36805Refsecunia.com/advisories/38643Refsecunia.com/advisories/39482Refwww.debian.org/security/2010/dsa-2000Refwww.mandriva.com/security/advisories?name=MDVSA-2011:059Refwww.mandriva.com/security/advisories?name=MDVSA-2011:060Refwww.mandriva.com/security/advisories?name=MDVSA-2011:061Refwww.mandriva.com/security/advisories?name=MDVSA-2011:088Refwww.mandriva.com/security/advisories?name=MDVSA-2011:112

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4634?

CVE-2009-4634 is a high-severity vulnerability affecting ffmpeg ffmpeg. It was published on February 10, 2010 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-4634?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4634?

Check the references section for vendor advisories and patches from ffmpeg. Update ffmpeg to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4634?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4634 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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