Bug 2376701

Summary: CVE-2025-52497 micropython: Mbed TLS PEM Parsing Buffer Underflow [fedora-all]
Product: [Fedora] Fedora Reporter: Michal Findra <mfindra>
Component: micropythonAssignee: Charalampos Stratakis <cstratak>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: cstratak, mhroncok, python-packagers-sig, saroy
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["30d35ece-1cfa-42bb-896f-8ae3f1a315d5"]}
Fixed In Version: micropython-1.28.0-1.fc45 micropython-1.28.0-1.fc43 micropython-1.28.0-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-11 20:57:00 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: 2376425    

Description Michal Findra 2025-07-07 06:58:33 UTC
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2376425

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 Charalampos Stratakis 2025-07-10 03:08:59 UTC
*** Bug 2376696 has been marked as a duplicate of this bug. ***

Comment 2 Charalampos Stratakis 2025-09-16 18:13:43 UTC
*** Bug 2382561 has been marked as a duplicate of this bug. ***

Comment 3 Fedora Update System 2026-04-11 20:52:14 UTC
FEDORA-2026-d619d8d077 (micropython-1.28.0-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d619d8d077

Comment 4 Fedora Update System 2026-04-11 20:56:36 UTC
FEDORA-2026-52a9a687f0 (micropython-1.28.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-52a9a687f0

Comment 5 Fedora Update System 2026-04-11 20:57:00 UTC
FEDORA-2026-d619d8d077 (micropython-1.28.0-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-04-11 20:57:35 UTC
FEDORA-2026-29f4f47ade (micropython-1.28.0-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-29f4f47ade

Comment 7 Fedora Update System 2026-04-13 01:42:26 UTC
FEDORA-2026-52a9a687f0 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-2026-52a9a687f0`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-52a9a687f0

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

Comment 8 Fedora Update System 2026-04-13 02:05:42 UTC
FEDORA-2026-29f4f47ade 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-2026-29f4f47ade`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-29f4f47ade

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

Comment 9 Fedora Update System 2026-04-16 00:55:10 UTC
FEDORA-2026-29f4f47ade (micropython-1.28.0-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-04-25 01:42:45 UTC
FEDORA-2026-52a9a687f0 (micropython-1.28.0-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.