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libavcodec/on2avc.c in FFmpeg before 2.4.2 does not...

High severity Unreviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Apr 12, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.

References

Published by the National Vulnerability Database Nov 5, 2014
Published to the GitHub Advisory Database May 17, 2022
Last updated Apr 12, 2025

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(66th percentile)

Weaknesses

No CWEs

CVE ID

CVE-2014-8549

GHSA ID

GHSA-rvxr-4pm2-jpmx

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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