---
id: CVE-2026-94287
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-1050
vendor: x.org
product: libXpm
affected:
  - libXpm < 3.5.19
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T09:17:08.577'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94287'
references:
  - url: >-
      https://gitlab.freedesktop.org/xorg/lib/libxpm/-/merge_requests/32/diffs?commit_id=3a68f818b1628d7ad96245b0f4d15a32a015b0ab
    label: meissner@suse.de
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-28T10:07:17.782Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.