ZDI-26-769: X.Org Server XKB XkbSetMap Request Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information 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 6.1. The following CVEs are assigned: CVE-2026-93524.
Affected Software
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running affected installations of X.Org Server are exposed, but exploitation requires an attacker to already be able to execute low-privileged code locally on the target.
What level of access does an attacker need to exploit this issue?
The attacker must first obtain the ability to run low-privileged code on the affected system. The available information describes this as a local information-disclosure vulnerability.
What is the assigned CVE and severity rating?
The assigned CVE is CVE-2026-93524. ZDI assigned the issue a CVSS rating of 6.1.