CVE-2025-49175 MEDIUM

CVE-2025-49175: Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering extension animated cursors

Vendor X.org
Product xwayland
Weakness CWE-125
Published June 17, 2025
Last update December 11, 2025
View on NVD All CVEs

CVSS base score

6.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash.

Key dates

02Disclosure timeline

June 17, 2025 CVE published
December 11, 2025 Record updated