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7.8 High

CVE-2025-49180 Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension

Description

A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.

CVSS 3.1 detail

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

Exploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Local
Attack complexity
Low
Privileges required
Low
Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
xwayland 24.1 earliest → < 24.1.7 24.1.7
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION Versions not published
Red Hat Enterprise Linux 7.7 Advanced Update Support Versions not published
Red Hat Enterprise Linux 7 Extended Lifecycle Support Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 8.2 Advanced Update Support Versions not published
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Versions not published
Show the 13 other branches
Product Affected versions Fixed in
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Versions not published
Red Hat Enterprise Linux 8.6 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On Versions not published
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.4 Extended Update Support Versions not published
Red Hat Enterprise Linux 6 Versions not published
Red Hat In-Vehicle Operating System 1 Versions not published

Other CVEs of xwayland

The 22 CVEs of xwayland →
CVE-2026-93536 X.Org Server GestureBuildSprite Use-After-Free 5.3 Medium CVE-2026-93524 X.Org Server XKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read 6.9 Medium CVE-2026-93523 X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write 7.8 High CVE-2026-93522 X.Org Server Glamor CopyArea Heap Buffer Overflow 7.8 High
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