CVE-2025-62229

high

Description

A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2402649

https://access.redhat.com/security/cve/CVE-2025-62229

Details

Source: Mitre, NVD

Published: 2025-10-30

Updated: 2025-10-30

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00013