Bug 2438396

Summary:	CVE-2026-23490 python-pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Michal Findra <mfindra>
Component:	python-pyasn1	Assignee:	Rob Crittenden <rcritten>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	43	CC:	rcritten, spichugi
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["b1def9e2-360a-4480-97db-082988f24dac"]}
Fixed In Version:	python-pyasn1-0.6.2-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-02-22 00:43:04 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:	2430472

Description Michal Findra 2026-02-10 07:44:44 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 2026-02-10 18:51:23 UTC

FEDORA-2026-0179c9b8ac (python-pyasn1-0.6.2-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0179c9b8ac

Comment 2 Fedora Update System 2026-02-22 00:43:04 UTC

FEDORA-2026-0179c9b8ac (python-pyasn1-0.6.2-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.