Bug 2451660

Summary: CVE-2026-31958 python-tornado: Tornado: Denial of Service via large multipart bodies [fedora-all]
Product: [Fedora] Fedora Reporter: Abhishek Raj <abhraj>
Component: python-tornadoAssignee: Robby Callicotte <rcallicotte>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: aurelien, gwync, mhroncok, orion, python-packagers-sig, rcallicotte
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["63a6c9b5-2e7b-4729-8dca-cde6abd6fc9e"]}
Fixed In Version: python-tornado-6.5.7-1.fc45 python-tornado-6.5.7-1.fc43 python-tornado-6.5.7-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-07-03 15:27:39 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: 2446765    

Description Abhishek Raj 2026-03-26 10:50:36 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 2026-07-03 15:22:08 UTC
FEDORA-2026-672e8e4169 (python-tornado-6.5.7-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-672e8e4169

Comment 2 Fedora Update System 2026-07-03 15:27:39 UTC
FEDORA-2026-672e8e4169 (python-tornado-6.5.7-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2026-07-03 15:39:52 UTC
FEDORA-2026-0f40de2581 (python-tornado-6.5.7-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0f40de2581

Comment 4 Fedora Update System 2026-07-03 15:39:52 UTC
FEDORA-2026-23656e6d2f (python-tornado-6.5.7-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-23656e6d2f

Comment 5 Fedora Update System 2026-07-04 01:28:41 UTC
FEDORA-2026-0f40de2581 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-2026-0f40de2581`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0f40de2581

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

Comment 6 Fedora Update System 2026-07-04 01:46:58 UTC
FEDORA-2026-23656e6d2f 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-2026-23656e6d2f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-23656e6d2f

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

Comment 7 Fedora Update System 2026-07-12 00:59:04 UTC
FEDORA-2026-23656e6d2f (python-tornado-6.5.7-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-07-12 01:11:01 UTC
FEDORA-2026-0f40de2581 (python-tornado-6.5.7-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.