Bug 2448652 - CVE-2026-27459 pyOpenSSL: DTLS cookie callback buffer overflow [fedora-all]
Summary: CVE-2026-27459 pyOpenSSL: DTLS cookie callback buffer overflow [fedora-all]
Keywords:
Status: MODIFIED
Alias: None
Product: Fedora
Classification: Fedora
Component: pyOpenSSL
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Paul Wouters
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["fc33927f-a7c2-400c-8bae-1...
Depends On:
Blocks: CVE-2026-27459
TreeView+ depends on / blocked
 
Reported: 2026-03-18 16:33 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-03-19 13:35 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:
fedora-admin-xmlrpc: mirror+


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-03-18 16:33:57 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 2026-03-18 18:21:58 UTC
FEDORA-2026-5697f4e025 (pyOpenSSL-26.0.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5697f4e025

Comment 2 Fedora Update System 2026-03-19 01:30:53 UTC
FEDORA-2026-5697f4e025 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-2026-5697f4e025`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5697f4e025

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

Comment 3 Fedora Update System 2026-03-19 13:35:31 UTC
FEDORA-2026-9d5b9f45ec (kryoptic-1.5.0-2.fc43, pyOpenSSL-26.0.0-1.fc43, and 6 more) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9d5b9f45ec


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