What is CVE-2026-94287?

CVE-2026-94287 is a medium-severity vulnerability in X.org Libxpm, classified under CWE-1050. CVSS score: 5.5/10. Published 2026-09-28.

How severe is CVE-2026-94287?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in X.org Libxpm

CVE-2026-94287

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.

Published 2026-09-28 · last modified 2026-09-28.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

X.org Libxpm

Weakness classification (CWE)

CWE-1050

References

gitlab.freedesktop.org/xorg/lib/libxpm/-/merge_requests/32/diffs (patch)

Frequently asked questions

What is CVE-2026-94287?: CVE-2026-94287 is a medium-severity vulnerability in X.org Libxpm, classified under CWE-1050. CVSS score: 5.5/10. Published 2026-09-28.
How severe is CVE-2026-94287?: Medium severity. CVSS v3 base score is 5.5 out of 10.