SUSE CVE-2025-26600

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free...

OPENSUSE-SU-2025:14841-1 xorg-x11-server-21.1.15-2.1 on GA media

These are all security issues fixed in the xorg-x11-server-21.1.15-2.1 package on the GA media of openSUSE Tumbleweed...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-15slack15.0.txz: Rebuilt. This update fixes security issues: Use-after-free of the root cursor. Buffer...

AZL-57295 CVE-2025-26601 affecting package xorg-x11-server 1.20.10-6

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...

DEBIAN-CVE-2025-26599

An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow will return a BadAlloc error without validating the window tree marked just before, which leaves the...

DEBIAN-CVE-2025-26600

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free...

AZL-57318 CVE-2025-26599 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-1

An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow will return a BadAlloc error without validating the window tree marked just before, which leaves the...

AZL-57274 CVE-2025-26600 affecting package xorg-x11-server 1.20.10-6

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free...

AZL-57446 CVE-2025-26599 affecting package xorg-x11-server for versions less than 1.20.10-15

An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow will return a BadAlloc error without validating the window tree marked just before, which leaves the...

AZL-57482 CVE-2025-26601 affecting package xorg-x11-server for versions less than 1.20.10-15

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...

AZL-57411 CVE-2025-26601 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-1

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...

AZL-57468 CVE-2025-26600 affecting package xorg-x11-server for versions less than 1.20.10-15

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free...

AZL-57383 CVE-2025-26597 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-1

A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a non-zero value of groups, this will cause a buffer overflow because t...

AZL-57414 CVE-2025-26596 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-1

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms differs from what is written in XkbWriteKeySyms, which may lead to a heap-based buffer overflow...

AZL-57474 CVE-2025-26594 affecting package xorg-x11-server for versions less than 1.20.10-15

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free...

AZL-57431 CVE-2025-26595 affecting package xorg-x11-server for versions less than 1.20.10-15

A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size...

AZL-57404 CVE-2025-26596 affecting package xorg-x11-server for versions less than 1.20.10-15

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms differs from what is written in XkbWriteKeySyms, which may lead to a heap-based buffer overflow...

AZL-57479 CVE-2025-26597 affecting package xorg-x11-server for versions less than 1.20.10-15

A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a non-zero value of groups, this will cause a buffer overflow because t...

AZL-57277 CVE-2025-26595 affecting package xorg-x11-server 1.20.10-6

A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size...

AZL-57292 CVE-2025-26594 affecting package xorg-x11-server 1.20.10-6

A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free...