Bug 2493061

Summary: CVE-2026-39832 buildah: 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: buildahAssignee: Lokesh Mandvekar <lsm5>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: amurdaca, debarshir, dwalsh, go-sig, jnovy, lsm5, nsella, pehunt, pholzing, tsweeney
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:
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Clone Of: Environment:
Last Closed: 2026-07-22 19:01:34 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 18:21:17 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 Lokesh Mandvekar 2026-07-22 19:01:32 UTC 
buildah is not affected by CVE-2026-39832.

The vulnerability affects golang.org/x/crypto/ssh/agent and was fixed in v0.52.0.
The builds shipped in Fedora vendor golang.org/x/crypto v0.53.0, which includes the fix.

Closing as CURRENTRELEASE.