Bug 2369947 (CVE-2025-49175)

Summary: CVE-2025-49175 xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Out-of-Bounds Read in X Rendering Extension Animated Cursors
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
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.
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Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Deadline: 2025-06-17   

Description OSIDB Bzimport 2025-06-03 07:08:44 UTC
Out-of-Bounds Read vulnerability in the X Rendering extension's animated cursor handling. The server assumes at least one cursor is provided, but a client may pass none, causing an out-of-bounds read and server crash.