Bug 2493543

Summary: CVE-2026-39835 podman: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate [fedora-all]
Product: [Fedora] Fedora Reporter: Isaiah Johnson <isjohnso>
Component: podmanAssignee: Lokesh Mandvekar <lsm5>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: bbaude, debarshir, dwalsh, go-sig, jnovy, lsm5, mboddu, mheon, nsella, patrick, pholzing, suraj.ghimire7
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["f4cc6d1e-98c2-4117-9868-9c7bcba15ea3"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-07-10 14:34:57 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: 2480680    

Description Isaiah Johnson 2026-06-26 14:47:11 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 Lokesh Mandvekar 2026-06-26 15:24:41 UTC 
Hi Isaiah, can we update the CVE bug filing tool to ignore CVEs that are known to not affect redhat software? Is there ever a case where a bug is known to not affect anything yet a bz is justified?
Comment 4 Lokesh Mandvekar 2026-07-10 14:34:57 UTC 
x/crypto bump and shipped in podman v5.8 on Fedora