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CVE-2025-62229

🔴 HIGH

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...

Published
Oct 30, 2025
Last Modified
Nov 06, 2025
Views
9
Bookmarks
0

Description

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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.

CVSS Scores

CVSS 3.1 7.3
7.3
HIGH
CVSS 2.0 7.3

References

access.redhat.com access.redhat.com access.redhat.com access.redhat.com access.redhat.com access.redhat.com access.redhat.com access.redhat.com bugzilla.redhat.com www.openwall.com lists.debian.org

Additional Information

Source
secalert@redhat.com
State
Awaiting analysis

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