CVE-2025-26595

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...

CVE-2025-26595 Xorg: xwayland: buffer overflow in xkbvmodmasktext()

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...

CVE-2025-26595

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...

CVE-2025-26595

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. Mitigation...

CVE-2025-26594 X.org: xwayland: use-after-free of the root cursor

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...

CVE-2025-26594

CVE-2025-26594 is a use-after-free in X.Org/Xwayland where the root cursor is kept as a global in the X server; freeing the root cursor can reference freed memory, causing a crash or compromise. Affected package: xorg-x11-server-Xwayland (and related Xorg/Xwayland components in advisories). Impac...

CVE-2025-26594

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...

CVE-2025-26594 X.org: xwayland: use-after-free of the root cursor

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...

CVE-2025-26594 X.org: xwayland: use-after-free of the root cursor

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...

CVE-2025-26594

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...

CVE-2025-26594

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. Mitigation Mitigation for this issue is either not available or...

UBUNTU-CVE-2025-26601

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...

UBUNTU-CVE-2025-26595

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...

X.Org和Xwayland 资源管理错误漏洞

X.Org is an open source free software from the X.Org Foundation.Xwayland is an open source communication protocol from Xwayland that specifies how a display server communicates with its clients. A resource management error vulnerability exists in X.Org and Xwayland that stems from a device being...

PT-2025-7899

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A use-after-free flaw was found in the software. The issue occurs when changing an alarm, where the values of the change mask are evaluated one after the other. If one of the chang...

PT-2025-7898

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A use-after-free flaw was found in the software. This issue occurs when a device is removed while still frozen, causing events queued for that device to remain after the device is...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : X.Org X Server vulnerabilities (USN-7299-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7299-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use...

X.Org和Xwayland 资源管理错误漏洞

X.Org is an open source free software from the X.Org Foundation.Xwayland is an open source communication protocol from Xwayland that specifies how a display server communicates with its clients. A resource management error vulnerability exists in X.Org and Xwayland that stems from evaluating chan...

PT-2025-7895

Name of the Vulnerable Software and Affected Versions X.Org and Xwayland affected versions not specified Description A buffer overflow flaw was found. The issue arises when the function XkbChangeTypesOfKey is called with a 0 group, which resizes the key symbols table to 0 but leaves the key actio...

X.Org和Xwayland 缓冲区错误漏洞

X.Org is an open source free software from the X.Org Foundation.Xwayland is an open source communication protocol from Xwayland that specifies how a display server communicates with its clients. A buffer error vulnerability exists in X.Org and Xwayland that stems from the compRedirectWindow...