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...

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 安全漏洞

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 security vulnerability exists in X.Org and Xwayland that stems from the XkbVModMaskText function...

PT-2025-7893 · Xwayland +12 · Xwayland +12

Name of the Vulnerable Software and Affected Versions: X.Org and Xwayland affected versions not specified Description: A buffer overflow flaw was found in the code of the XkbVModMaskText function, which allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to...