What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-28 · updated 2026-09-29
• Weakness: CWE-1050

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 products

• libXpm: before 3.5.19 — fixed in 3.5.19

How to fix

Upgrade to a fixed version: libXpm 3.5.19. Check the vendor advisory for mitigations.

References

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

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