Bug 2491597

Summary: CVE-2026-45736 python-jupytext: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray` [fedora-all]
Product: [Fedora] Fedora Reporter: Praise Ogwuche <pogwuche>
Component: python-jupytextAssignee: Jerry James <loganjerry>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: loganjerry
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["643390f2-eccf-4529-bcfe-f1ca0cd84373"]}
Fixed In Version: python-jupytext-1.19.4-1.fc44 python-jupytext-1.19.4-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-07-01 01:02:00 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: 2477914    

Description Praise Ogwuche 2026-06-23 00:11:18 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.

Comment 1 Fedora Update System 2026-06-23 14:59:34 UTC
FEDORA-2026-db770b7d7a (python-jupytext-1.19.4-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-db770b7d7a

Comment 2 Fedora Update System 2026-06-23 14:59:59 UTC
FEDORA-2026-31e6b85f4e (python-jupytext-1.19.4-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-31e6b85f4e

Comment 3 Fedora Update System 2026-07-01 01:02:00 UTC
FEDORA-2026-db770b7d7a (python-jupytext-1.19.4-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 4 Fedora Update System 2026-07-01 01:22:18 UTC
FEDORA-2026-31e6b85f4e (python-jupytext-1.19.4-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.