Bug 2405373

Summary:	CVE-2025-59438 mbedtls: MbedTLS Padding oracle through timing of cipher error reporting [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	mbedtls	Assignee:	Morten Stevens <ms>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	bill.roberts, ms, pbrobinson, redhat-bugzilla
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["31743c92-b360-46a9-a22d-4e5ba4c3d681"]}
Fixed In Version:	mbedtls-3.6.5-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-10-25 21:09:49 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:	2405346

Description Jon Moroney 2025-10-21 16:07:59 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2025-10-21 16:38:22 UTC

FEDORA-2025-dce2ac8ea0 (mbedtls-3.6.5-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-dce2ac8ea0

Comment 2 Fedora Update System 2025-10-25 21:09:49 UTC

FEDORA-2025-dce2ac8ea0 (mbedtls-3.6.5-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.