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CVE-2013-3671

4.3 · MEDIUM

The format_line function in log.c in libavutil in FFmpeg before 1.2.1 uses inapplicable offset data during a certain category calculation, which allows remote attackers to cause a denial of service…

Published Jun 10, 2013ffmpegCWE-189EPSS 1.36%

Overview

CVE-2013-3671 is a medium-severity vulnerability affecting ffmpeg ffmpeg. It was published on June 10, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The format_line function in log.c in libavutil in FFmpeg before 1.2.1 uses inapplicable offset data during a certain category calculation, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via crafted data that triggers a log message.

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

References

Refffmpeg.org/security.htmlRefgit.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0faRefgit.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=cc0dd86580b3257f22a4981a79eb5fa6804182b6Refffmpeg.org/security.htmlRefgit.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0faRefgit.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=cc0dd86580b3257f22a4981a79eb5fa6804182b6

How CyberStrike helps

Frequently asked questions

What is CVE-2013-3671?

CVE-2013-3671 is a medium-severity vulnerability affecting ffmpeg ffmpeg. It was published on June 10, 2013 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2013-3671?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2013-3671?

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-2013-3671?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-3671 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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