Bug 2454193 - CVE-2026-34873 mbedtls: Mbed TLS: Client impersonation during TLS 1.3 session resumption [fedora-all]
Summary: CVE-2026-34873 mbedtls: Mbed TLS: Client impersonation during TLS 1.3 session...
Keywords:
Status: ON_QA
Alias: None
Product: Fedora
Classification: Fedora
Component: mbedtls
Version: rawhide
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: ---
Assignee: ms
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["4a17e7d3-8824-4b73-a1f3-0...
Depends On:
Blocks: CVE-2026-34873
TreeView+ depends on / blocked
 
Reported: 2026-04-02 05:42 UTC by Sandipan Roy
Modified: 2026-04-03 17:31 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Sandipan Roy 2026-04-02 05:42:08 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 2026-04-02 16:19:16 UTC 
FEDORA-2026-10443c65e3 (mbedtls-3.6.6-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-10443c65e3
Comment 2 Fedora Update System 2026-04-02 16:19:28 UTC 
FEDORA-2026-3a9536df40 (mbedtls-3.6.6-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3a9536df40
Comment 3 Fedora Update System 2026-04-02 16:19:42 UTC 
FEDORA-2026-8c332fbf00 (mbedtls-3.6.6-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-8c332fbf00
Comment 4 Fedora Update System 2026-04-03 17:31:13 UTC 
FEDORA-2026-10443c65e3 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-2026-10443c65e3`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-10443c65e3

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