Bug 2431788 - CVE-2026-0865 python3.10: wsgiref.headers.Headers allows header newline injection in Python [fedora-42]
Summary: CVE-2026-0865 python3.10: wsgiref.headers.Headers allows header newline injec...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: python3.10
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Tomáš Hrnčiar
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["6e7fbe35-87b4-456a-ab91-8...
Depends On:
Blocks: CVE-2026-0865
TreeView+ depends on / blocked
 
Reported: 2026-01-21 20:25 UTC by Jon Moroney
Modified: 2026-03-07 00:51 UTC (History)
7 users (show)

Fixed In Version: python3.10-3.10.19-4.fc42
Clone Of:
Environment:
Last Closed: 2026-03-07 00:51:20 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Jon Moroney 2026-01-21 20:25:43 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 Tomáš Hrnčiar 2026-02-10 10:52:41 UTC
PR: https://src.fedoraproject.org/rpms/python3.10/pull-request/235

Comment 2 Fedora Update System 2026-02-26 10:36:15 UTC
FEDORA-2026-ef5d97522f (python3.10-3.10.19-4.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ef5d97522f

Comment 3 Fedora Update System 2026-02-27 02:25:13 UTC
FEDORA-2026-ef5d97522f 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-ef5d97522f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ef5d97522f

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

Comment 4 Fedora Update System 2026-03-07 00:51:20 UTC
FEDORA-2026-ef5d97522f (python3.10-3.10.19-4.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.


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