A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.

A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.

A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.

Xorg: xwayland: use-after-free in syncinittrigger()

A use-after-free flaw was found in X.Org and Xwayland. When changing a ...

A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.

Уязвимость функции SyncInitTrigger() реализации протокола Wayland для X.Org XWayland, реализации сервера X Window System X.Org Server, связанная с использованием памяти после её освобождения, позволяющая нарушителю выполнить произвольный код

Security update for xorg-x11-server

Security update for xorg-x11-server

Security update for xorg-x11-server

Security update for xorg-x11-server

Security update for xorg-x11-server

Security update for xwayland

Important: tigervnc security update

Important: tigervnc security update

ELSA-2025-2879: xorg-x11-server security update (IMPORTANT)

ELSA-2025-2861: tigervnc security update (IMPORTANT)

ELSA-2025-2502: tigervnc security update (IMPORTANT)

ELSA-2025-2500: tigervnc security update (IMPORTANT)

Important: xorg-x11-server-Xwayland security update