ZDI-25-139: X.Org Server CreatePointerBarrierClient Out-Of-Bounds Write Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-26598.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-139?
The CVSS rating for ZDI-25-139 is 7.8, indicating a high severity vulnerability.
How do I fix ZDI-25-139?
To address ZDI-25-139, update to the latest version of X.Org Server that contains the security patches.
What type of attack is associated with ZDI-25-139?
ZDI-25-139 is associated with local privilege escalation attacks.
Who is affected by ZDI-25-139?
ZDI-25-139 affects installations of X.Org Server that are not updated with the latest security fixes.
Can ZDI-25-139 be exploited remotely?
No, ZDI-25-139 requires local access to execute low-privileged code on the target system to exploit.