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CVE-2023-5380

Xorg-x11-server: use-after-free bug in destroywindow

Medium4.7EPSS 0.70%
Published
Updated
Reserved
Assigned by
redhat

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.

Scores

CVSS scores of CVE-2023-5380, by who scored it
Scored byCVSSScoreVector
redhatCNA (assigner)3.1Medium4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.70% · top 47% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Weakness

Affected products

References (18)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .