Bug 2433819 - CVE-2026-1299 python3.14: email header injection due to unquoted newlines [fedora-42]
Summary: CVE-2026-1299 python3.14: email header injection due to unquoted newlines [fe...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: python3.14
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Python Maintainers
QA Contact:
URL:
Whiteboard: {"flaws": ["48870374-6f50-4713-90f2-8...
Depends On:
Blocks: CVE-2026-1299
TreeView+ depends on / blocked
 
Reported: 2026-01-28 13:52 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-02-20 01:17 UTC (History)
4 users (show)

Fixed In Version: python3.14-3.14.3-1.fc42
Clone Of:
Environment:
Last Closed: 2026-02-20 01:17:11 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-01-28 13:52:02 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 Karolina Surma 2026-02-06 10:08:05 UTC
Will be fixed by 3.14.3

Comment 2 Fedora Update System 2026-02-11 19:35:07 UTC
FEDORA-2026-9ad2d11c1f (python3.14-3.14.3-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9ad2d11c1f

Comment 3 Fedora Update System 2026-02-12 01:55:02 UTC
FEDORA-2026-9ad2d11c1f 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-2026-9ad2d11c1f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9ad2d11c1f

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

Comment 4 Fedora Update System 2026-02-20 01:17:11 UTC
FEDORA-2026-9ad2d11c1f (python3.14-3.14.3-1.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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