CVE-2023-5380
Medium
Description
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.
SeverityMedium
CVSS4.7
Exploit probability—
Product
X.org X Server
PublishedOct 25, 2023
First seenOct 25, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- x.org x_server21.1.9 or later
- x.org xwayland23.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org x_server | v < 21.1.9 | 21.1.9 |
| x.org xwayland | v < 23.2.2 | 23.2.2 |
| redhat enterprise_linux | 7.0, 8.0, 9.0 | — |
| fedoraproject fedora | 37, 38, 39 | — |
| debian debian_linux | 11.0, 12.0 | — |
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