CVE-2026-4367

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.9% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-07-28.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-06-16 16:50Z2 MO AGO

Last updated

2026-07-28 09:33Z1 MO AGO

Reserved

2026-03-18

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

d1647a506543293145a1d32bd703c33b6d3e9b23ce8ebf4fc9f78d27ab142d81

• access.redhat.comRHSA-2026:30354https://access.redhat.com/errata/RHSA-2026:30354vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2026:47072https://access.redhat.com/errata/RHSA-2026:47072vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-4367vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2448984https://bugzilla.redhat.com/show_bug.cgi?id=2448984issue-trackingx_refsource_REDHAT
• gitlab.freedesktop.orghttps://gitlab.freedesktop.org/xorg/lib/libxpm/-/commit/5448e1bd
• seclists.orghttps://seclists.org/oss-sec/2026/q2/192
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/04/21/3