Bug 2478028

Summary:	CVE-2026-44028 nix: coroutine stack-to-heap overflow via unbounded recursion in NAR directory parser [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	nix	Assignee:	Jens Petersen <petersen>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	rawhide	CC:	petersen
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["03bc5275-b006-4ef7-9b71-fce1ec9f47d5"]}
Fixed In Version:	nix-2.34.7-2.fc45 nix-2.34.7-2.fc44 nix-2.31.5-1.fc43 nix-2.31.5-1.fc42	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-05-16 07:05:09 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:	2466635

Description Guilherme de Almeida Suckevicz 2026-05-15 20:15:11 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 Jens Petersen 2026-05-16 07:05:09 UTC

Fixed in 2.34.7 and 2.31.5