Bug 2454206

Summary:	CVE-2025-66442 micropython: Mbed TLS and TF-PSA-Crypto: Information disclosure via compiler-induced timing side channel [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Sandipan Roy <saroy>
Component:	micropython	Assignee:	Charalampos Stratakis <cstratak>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	cstratak, mhroncok, python-packagers-sig
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["37b5ce25-c299-4afa-927c-9b6fee0c0f50"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-04-11 03:01:37 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:	2453969

Description Sandipan Roy 2026-04-02 05:43:06 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 Charalampos Stratakis 2026-04-11 03:01:37 UTC

This is only applicable if micropython is built with clang which is not the case.