CVE-2026-94287

MEDIUM 5.5

Denial of service via unsigned underflow in libXpm's write path

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

A denial of service via unsigned underflow in libXpm's write path in libXpm before 3.5.19 could be used by local attackers to cause unbounded CPU usage and memory exhaustion.

CWE	CWE-1050
Vendor	x.org
Product	libxpm
Published	Sep 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

x.org / libXpm

0 < 3.5.19

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.freedesktop.org: https://gitlab.freedesktop.org/xorg/lib/libxpm/-/merge_requests/32/diffs?commit_id=3a68f818b1628d7ad96245b0f4d15a32a015b0ab

Credits

AISLE in partnership with Red Hat