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MEDIUM · 4.7

CVE-2023-5380

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 Zaph...

Vulnerability 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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
X.OrgX Server< 21.1.9
X.OrgXwayland< 23.2.2
RedhatEnterprise Linux7.0
FedoraprojectFedora37
DebianDebian Linux11.0

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2023-5380?

CVE-2023-5380 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 Zaph...

How severe is CVE-2023-5380?

CVE-2023-5380 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-5380?

Check the references section above for vendor advisories and patch information. Affected products include: X.Org X Server, X.Org Xwayland, Redhat Enterprise Linux, Fedoraproject Fedora, Debian Debian Linux.