Bug 2355672

Summary: CVE-2025-27793 jupyterlab: Vega vulnerable to Cross-site Scripting via RegExp.prototype[@@replace] [fedora-40]
Product: [Fedora] Fedora Reporter: Robb Gatica <rgatica>
Component: jupyterlabAssignee: Lumír Balhar <lbalhar>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 40CC: lbalhar, python-packagers-sig, romain.geissler
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["aa735e40-a29d-4ab3-bcc9-b41af07f00cf"]}
Fixed In Version: jupyterlab-4.4.0-1.fc40 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-04-21 01:40:23 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: 2355375    

Description Robb Gatica 2025-03-28 03:38:47 UTC
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2355375

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 Lumír Balhar 2025-03-28 07:18:47 UTC
Reported upstream. The vega-interpreter is also bundled in jupyterlab, so even the older versions might not be exploitable. Waiting for a confirmation from upstream.

Comment 2 Fedora Update System 2025-04-11 08:45:31 UTC
FEDORA-2025-5ea8e7d744 (jupyterlab-4.4.0-1.fc40 and python-notebook-7.4.0-1.fc40) has been submitted as an update to Fedora 40.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-5ea8e7d744

Comment 3 Fedora Update System 2025-04-13 03:17:23 UTC
FEDORA-2025-5ea8e7d744 has been pushed to the Fedora 40 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-5ea8e7d744`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-5ea8e7d744

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2025-04-21 01:40:23 UTC
FEDORA-2025-5ea8e7d744 (jupyterlab-4.4.0-1.fc40 and python-notebook-7.4.0-1.fc40) has been pushed to the Fedora 40 stable repository.
If problem still persists, please make note of it in this bug report.