CVE-2026-34001

Luka use-after-free w serwerze X.Org umożliwia atakującemu awarię serwera i potencjalną korupcję pamięci.

A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially enabling memory corruption. This could result in a denial of service or further compromise of the system.