Medium 5.5Published Jun 16, 2026

CVE-2026-4367Libxpm: libxpm: denial of service via out-of-bounds read in xpm file parsing

Updated under an hour ago (Oct 25, 2026, 9:10 PM ET)

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It affects Red Hat Hardened Images and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

A flaw was found in libXpm. A local user with low privileges could exploit an Out-of-Bounds Read vulnerability in the `xpmNextWord()` function by processing a specially crafted or very small XPM (X PixMap) image file. This improper validation of file boundaries can cause an internal pointer to read beyond the file's end, leading to application crashes and Denial of Service conditions.

CVSS: 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Jul 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat Hardened Images redhat:hummingbird	from 3.5.17-7.2.hum1 not affected	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CNA record

References

https://access.redhat.com/errata/RHSA-2026:30354vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:47072vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2026-4367vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2448984issue-tracking, x-refsource-redhat
https://gitlab.freedesktop.org/xorg/lib/libxpm/-/commit/5448e1bd
https://seclists.org/oss-sec/2026/q2/192
http://www.openwall.com/lists/oss-security/2026/04/21/3

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.