Bug 2509791

Summary: CVE-2026-63035 open62541: open62541: Arbitrary Code Execution via Use After Free in TransferSubscriptions Service [fedora-all]
Product: [Fedora] Fedora Reporter: Ganesh <gnaik>
Component: open62541Assignee: Jens Reimann <jreimann>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: 45CC: jreimann, thofmann
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["e673b2a3-d3ca-45d4-859b-566bdb717078"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2509642    

Description Ganesh 2026-07-31 14:54:02 UTC
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.

A heap use-after-free vulnerability in the TransferSubscriptions service
 in open62541 may allow an authenticated attacker to cause a denial of 
service or potentially execute arbitrary code.

Comment 1 Aoife Moloney 2026-08-17 15:44:25 UTC
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.