Search: CVE-2026-34002

CVE-2026-34002 is a medium severity vulnerability in the X.Org X server's X Keyboard Extension (XKB) modifier map handling. It is an out-of-bounds read flaw that can be exploited by an attacker with access to the X11 server by sending a malformed request. Successful exploitation may lead to information disclosure or cause the server to crash, resulting in denial of service. Red Hat has released security advisories and updates addressing this issue in affected Red Hat Enterprise Linux 9.x Extended Update Support and Update Services for SAP Solutions versions.