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libavcodec/mmvideo.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

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Affected versions

Unknown

Patched versions

Unknown

Description

libavcodec/mmvideo.c in FFmpeg before 2.4.2 does not consider all lines of HHV Intra blocks during validation of image height, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted MM video 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.
(80th percentile)

Weaknesses

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2014-8543

GHSA ID

GHSA-5mrc-xgr5-4v65

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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