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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | libxpm | 3.5.20-r0 | ALPINE-CVE-2026-94287 |
| Debian:12 | libxpm | no fix listed | DEBIAN-CVE-2026-94287 |
| Debian:13 | libxpm | no fix listed | DEBIAN-CVE-2026-94287 |
| Debian:14 | libxpm | 1:3.5.20-1 | DEBIAN-CVE-2026-94287 |
| Ubuntu:22.04:LTS | libxpm | 1:3.5.12-1ubuntu0.22.04.4 | USN-8862-1 |
| Ubuntu:22.04:LTS | libxpm | 1:3.5.12-1ubuntu0.22.04.4 | UBUNTU-CVE-2026-94287 |
| Ubuntu:24.04:LTS | libxpm | 1:3.5.17-1ubuntu0.24.04.2 | UBUNTU-CVE-2026-94287 |
| Ubuntu:24.04:LTS | libxpm | 1:3.5.17-1ubuntu0.24.04.2 | USN-8862-1 |
| Ubuntu:26.04:LTS | libxpm | 1:3.5.17-1ubuntu0.26.04.2 | USN-8862-1 |
| Ubuntu:26.04:LTS | libxpm | 1:3.5.17-1ubuntu0.26.04.2 | UBUNTU-CVE-2026-94287 |
| Ubuntu:22.04:LTS | motif | no fix listed | UBUNTU-CVE-2026-94287 |
| Ubuntu:24.04:LTS | motif | no fix listed | UBUNTU-CVE-2026-94287 |
| Ubuntu:26.04:LTS | motif | no fix listed | UBUNTU-CVE-2026-94287 |
| Ubuntu:26.10 | motif | no fix listed | UBUNTU-CVE-2026-94287 |
Affected products (as reported)
Weakness: CWE-1050 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H