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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

Moderate: xorg-x11-server-Xwayland security update

Moderate: xorg-x11-server security update

ELSA-2025-7458: xorg-x11-server-Xwayland security update (IMPORTANT)

ELSA-2025-7165: xorg-x11-server-Xwayland security update (MODERATE)

ELSA-2025-7163: xorg-x11-server security update (MODERATE)

ALT-PU-2026-8624: package `tigervnc` update to version 1.16.2-alt2

ALT-PU-2025-16475: package `xorg-xwayland` update to version 24.1.6-alt1

ALT-PU-2025-16471: package `xorg-server` update to version 21.1.16-alt1

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

Xorg: xmayland: value overflow in xkbsetcompatmap()

A flaw was identified in the X.Org X server\u2019s X Keyboard (Xkb) ex ...

A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.

A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.