Bug 2449474

Summary:	CVE-2026-32874 python-ujson: UltraJSON: Denial of Service due to memory leak when parsing large integers [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Sandipan Roy <saroy>
Component:	python-ujson	Assignee:	kushaldas@gmail.com <mail>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	43	CC:	code, igor.raits, mail, python-packagers-sig
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["8ccf21d3-d9f5-4c7b-ad34-eed902d44fbe"]}
Fixed In Version:	python-ujson-5.12.0-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-03-22 00:53:43 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:	2449411

Description Sandipan Roy 2026-03-20 06:44:02 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 2026-03-20 06:49:35 UTC

FEDORA-2026-bf741e26e4 (python-ujson-5.12.0-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-bf741e26e4

Comment 2 Fedora Update System 2026-03-22 00:53:43 UTC

FEDORA-2026-bf741e26e4 (python-ujson-5.12.0-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.