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The bdfReadCharacters function in bitmap/bdfread.c in X...

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

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.

References

Published by the National Vulnerability Database Mar 20, 2015
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.
(84th percentile)

Weaknesses

No CWEs

CVE ID

CVE-2015-1803

GHSA ID

GHSA-7vwv-c4f9-4xwx

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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