Bug 2490643

Summary: CVE-2026-45736 jupyterlab: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray` [fedora-all]
Product: [Fedora] Fedora Reporter: Praise Ogwuche <pogwuche>
Component: jupyterlabAssignee: Lumír Balhar <lbalhar>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: lbalhar, python-packagers-sig, romain.geissler
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["643390f2-eccf-4529-bcfe-f1ca0cd84373"]}
Fixed In Version: Doc Type: ---
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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: 2477914    

Description Praise Ogwuche 2026-06-19 01:50:24 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.