CVE-2025-26594

HIGH EPSS 26.9%
Published Feb 25, 20251y ago · Modified Jun 25, 20265d ago
7.8 CVSS 3.1
High
Find Similar
Published Feb 25, 2025 1y ago
Last Modified Jun 25, 2026 5d ago

Description

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
26.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 6

VendorProductVersionRange
tigervnctigervnc*any
x.orgx_server* <21.1.16
x.orgxwayland* <24.1.6
redhatenterprise_linux7.0any
redhatenterprise_linux8.0any
redhatenterprise_linux9.0any

References 18

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.