Bug 2375562

Summary: CVE-2025-49177 xorg-x11-server: Data Leak in XFIXES Extension's XFixesSetClientDisconnectMode [fedora-all]
Product: [Fedora] Fedora Reporter: Dhananjay Arunesh <darunesh>
Component: xorg-x11-serverAssignee: Olivier Fourdan <ofourdan>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: 42CC: ajax, jexposit, ofourdan, rstrode, xgl-maint
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["e1d14b20-cc81-4847-98a5-2402986dd21e"]}
Fixed In Version: Doc Type: ---
Doc Text:
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Clone Of: Environment:
Last Closed: 2025-06-30 13:36:46 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2369955    

Description Dhananjay Arunesh 2025-06-30 09:29:15 UTC 
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2369955

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Olivier Fourdan 2025-06-30 13:36:46 UTC 
Fixed with xorg-x11-server-21.1.18

rawhide: https://bodhi.fedoraproject.org/updates/FEDORA-2025-849c1f79a9
F42: https://bodhi.fedoraproject.org/updates/FEDORA-2025-e65a55c3d0
F41: https://bodhi.fedoraproject.org/updates/FEDORA-2025-3fa66ac98b