Bug 2486950

Summary:	CVE-2026-44660 python-ujson: UltraJSON: Memory leak leading to Denial of Service [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Vipul Nair <vinair>
Component:	python-ujson	Assignee:	kushaldas@gmail.com <mail>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	code, igor.raits, mail, python-packagers-sig
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["2b4eb773-34f6-4036-b574-884f991e683b"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-06-09 10:14:02 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:	2443911, 2482406

Description Vipul Nair 2026-06-09 09:59:13 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 Ben Beasley 2026-06-09 10:14:02 UTC

From https://www.cve.org/CVERecord?id=CVE-2026-44660, this is fixed in upstream release 5.12.1, which has already reached stable in all active Fedora branches.