Bug 2493097

Summary:	CVE-2026-39832 docker-buildkit: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Isaiah Johnson <isjohnso>
Component:	docker-buildkit	Assignee:	Brad Smith <bradley.g.smith>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	rawhide	CC:	bradley.g.smith, go-sig, maxwell
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["83248da6-3a0a-4e52-9c76-856ee3f04775"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-07-16 17:46:28 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:	2480685

Description Isaiah Johnson 2026-06-25 18:30:53 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 Brad Smith 2026-07-16 17:46:28 UTC

buildkit [ v0.31.2]
❯ go mod why -m golang.org/x/crypto/ssh/agent
# golang.org/x/crypto/ssh/agent
(main module does not need module golang.org/x/crypto/ssh/agent)