Bug 2413054

Summary: CVE-2025-6075 python3.10: Quadratic complexity in os.path.expandvars() with user-controlled template [fedora-all]
Product: [Fedora] Fedora Reporter: Sandipan Roy <saroy>
Component: python3.10Assignee: Python Maintainers <python-maint>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: 43CC: cstratak, mhroncok, python-maint, python-packagers-sig, thrnciar, torsava, vstinner
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["80b60828-a691-4442-8384-1b60f0f06a16"]}
Fixed In Version: python3.10-3.10.20-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-15 00:55:11 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: 2408891    

Description Sandipan Roy 2025-11-06 08:58:15 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2026-03-06 10:32:19 UTC
FEDORA-2026-41f576f846 (python3.10-3.10.20-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-41f576f846

Comment 2 Fedora Update System 2026-03-07 02:16:48 UTC
FEDORA-2026-41f576f846 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-2026-41f576f846`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-41f576f846

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

Comment 3 Fedora Update System 2026-03-15 00:55:11 UTC
FEDORA-2026-41f576f846 (python3.10-3.10.20-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.