Use-After-Free Vulnerability in xorg-x11-server: X Server Crash in Zaphod Mode

Use-After-Free Vulnerability in xorg-x11-server: X Server Crash in Zaphod Mode

CVE-2023-5380 · MEDIUM Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.

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