Bug 2449733

Summary: CVE-2026-4519 python3.6: Python: Command-line option injection in webbrowser.open() via crafted URLs [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: python3.6Assignee: Lumír Balhar <lbalhar>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: cstratak, lbalhar, mhroncok, python-maint, python-packagers-sig, torsava, vstinner
Target Milestone: ---Keywords: Reopened, Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["3ad97ffe-db31-4bd1-bd23-0159ea242fab"]}
Fixed In Version: python3.6-3.6.15-55.fc45 python3.6-3.6.15-55.fc44 python3.6-3.6.15-55.fc43 python3.6-3.6.15-55.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-29 00:17:30 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 20:01:54 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 2026-03-27 00:21:30 UTC
FEDORA-2026-3b4578d2f4 (python3.6-3.6.15-55.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3b4578d2f4

Comment 3 Fedora Update System 2026-03-27 00:24:52 UTC
FEDORA-2026-3b4578d2f4 (python3.6-3.6.15-55.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 10:24:48 UTC
FEDORA-2026-156169f944 (python3.6-3.6.15-55.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-156169f944

Comment 5 Fedora Update System 2026-03-27 10:24:49 UTC
FEDORA-2026-b79ae5877b (python3.6-3.6.15-55.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b79ae5877b

Comment 6 Fedora Update System 2026-03-28 01:32:48 UTC
FEDORA-2026-b79ae5877b 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-b79ae5877b`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b79ae5877b

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

Comment 7 Fedora Update System 2026-03-28 01:47:53 UTC
FEDORA-2026-1a816eeca2 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-2026-1a816eeca2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1a816eeca2

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 02:16:49 UTC
FEDORA-2026-156169f944 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-2026-156169f944`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-156169f944

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

Comment 9 Fedora Update System 2026-03-29 00:17:30 UTC
FEDORA-2026-b79ae5877b (python3.6-3.6.15-55.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-03-29 00:50:18 UTC
FEDORA-2026-1a816eeca2 (python3.6-3.6.15-55.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-03-29 01:08:27 UTC
FEDORA-2026-156169f944 (python3.6-3.6.15-55.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.