Vulnerability · Published Sep 28, 2026 · Assigned by suse

CVE-2026-94287Denial of service via unsigned underflow in libXpm's write path

Medium 5.5

In plain English

A medium-severity security flaw in libXpm from x.org. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 97.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24libxpm3.5.20-r0ALPINE-CVE-2026-94287
Debian:12libxpmno fix listedDEBIAN-CVE-2026-94287
Debian:13libxpmno fix listedDEBIAN-CVE-2026-94287
Debian:14libxpm1:3.5.20-1DEBIAN-CVE-2026-94287
Ubuntu:22.04:LTSlibxpm1:3.5.12-1ubuntu0.22.04.4USN-8862-1
Ubuntu:22.04:LTSlibxpm1:3.5.12-1ubuntu0.22.04.4UBUNTU-CVE-2026-94287
Ubuntu:24.04:LTSlibxpm1:3.5.17-1ubuntu0.24.04.2UBUNTU-CVE-2026-94287
Ubuntu:24.04:LTSlibxpm1:3.5.17-1ubuntu0.24.04.2USN-8862-1
Ubuntu:26.04:LTSlibxpm1:3.5.17-1ubuntu0.26.04.2USN-8862-1
Ubuntu:26.04:LTSlibxpm1:3.5.17-1ubuntu0.26.04.2UBUNTU-CVE-2026-94287
Ubuntu:22.04:LTSmotifno fix listedUBUNTU-CVE-2026-94287
Ubuntu:24.04:LTSmotifno fix listedUBUNTU-CVE-2026-94287
Ubuntu:26.04:LTSmotifno fix listedUBUNTU-CVE-2026-94287
Ubuntu:26.10motifno fix listedUBUNTU-CVE-2026-94287

Affected products (as reported)

VendorProductVersions
x.org libXpm 0 – before 3.5.19

Weakness: CWE-1050 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References