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CVE-2015-6761

6.8 · MEDIUM

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-thr…

Published Oct 15, 2015ffmpegCWE-362EPSS 1.05%

Overview

CVE-2015-6761 is a medium-severity vulnerability affecting ffmpeg ffmpeg. It was published on October 15, 2015 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.

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
ffmpegffmpeg0Affected
googlechrome0Affected

References

Refgit.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872cRefgooglechromereleases.blogspot.com/2015/10/stable-channel-update.htmlRefrhn.redhat.com/errata/RHSA-2015-1912.htmlRefwww.debian.org/security/2015/dsa-3376Refwww.securityfocus.com/bid/77073Refwww.securitytracker.com/id/1033816Refwww.ubuntu.com/usn/USN-2770-1Refwww.ubuntu.com/usn/USN-2770-2Refcode.google.com/p/chromium/issues/detail?id=447860Refcode.google.com/p/chromium/issues/detail?id=532967

How CyberStrike helps

Frequently asked questions

What is CVE-2015-6761?

CVE-2015-6761 is a medium-severity vulnerability affecting ffmpeg ffmpeg. It was published on October 15, 2015 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2015-6761?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-6761?

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-2015-6761?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-6761 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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