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The chmd_read_headers function in chmd.c in libmspack...

Moderate severity Unreviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Jan 28, 2023

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.

References

Published by the National Vulnerability Database Jun 11, 2015
Published to the GitHub Advisory Database May 17, 2022
Last updated Jan 28, 2023

Severity

Moderate

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.
(64th percentile)

Weaknesses

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Learn more on MITRE.

CVE ID

CVE-2015-4469

GHSA ID

GHSA-fxp4-g2xw-h64c

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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