Bug 2449727

Summary: CVE-2026-4519 python3.11: Python: Command-line option injection in webbrowser.open() via crafted URLs [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: python3.11Assignee: Lumír Balhar <lbalhar>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: cstratak, lbalhar, mhroncok, python-maint, python-packagers-sig, thrnciar, torsava, vstinner
Target Milestone: ---Keywords: Reopened, Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["3ad97ffe-db31-4bd1-bd23-0159ea242fab"]}
Fixed In Version: python3.11-3.11.15-2.fc45 python3.11-3.11.15-2.fc44 python3.11-3.11.15-2.fc43 python3.11-3.11.15-2.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-29 00:17:25 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: 2449649    

Description Jon Moroney 2026-03-20 20:01:28 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 2 Fedora Update System 2026-03-26 21:33:38 UTC
FEDORA-2026-838bf0f5d5 (python3.11-3.11.15-2.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-838bf0f5d5

Comment 3 Fedora Update System 2026-03-26 21:36:52 UTC
FEDORA-2026-838bf0f5d5 (python3.11-3.11.15-2.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 4 Fedora Update System 2026-03-27 10:23:27 UTC
FEDORA-2026-5e63b7a761 (python3.11-3.11.15-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5e63b7a761

Comment 5 Fedora Update System 2026-03-27 10:23:28 UTC
FEDORA-2026-a0b1d4b9fa (python3.11-3.11.15-2.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-a0b1d4b9fa

Comment 6 Fedora Update System 2026-03-27 10:23:28 UTC
FEDORA-2026-5dd28d8058 (python3.11-3.11.15-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5dd28d8058

Comment 7 Fedora Update System 2026-03-28 01:32:45 UTC
FEDORA-2026-5e63b7a761 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-5e63b7a761`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5e63b7a761

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

Comment 8 Fedora Update System 2026-03-28 01:47:51 UTC
FEDORA-2026-5dd28d8058 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-5dd28d8058`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5dd28d8058

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

Comment 9 Fedora Update System 2026-03-28 02:16:46 UTC
FEDORA-2026-a0b1d4b9fa has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-a0b1d4b9fa`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-a0b1d4b9fa

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

Comment 10 Fedora Update System 2026-03-29 00:17:25 UTC
FEDORA-2026-5e63b7a761 (python3.11-3.11.15-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-03-29 00:50:15 UTC
FEDORA-2026-5dd28d8058 (python3.11-3.11.15-2.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 12 Fedora Update System 2026-03-29 01:08:24 UTC
FEDORA-2026-a0b1d4b9fa (python3.11-3.11.15-2.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.