Bug 2490099

Summary: CVE-2026-39829 moby-engine: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters [fedora-all]
Product: [Fedora] Fedora Reporter: Isaiah Johnson <isjohnso>
Component: moby-engineAssignee: Brad Smith <bradley.g.smith>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: bradley.g.smith, copper_fin, go-sig, madhuraggarwalofficial, maxwell, mhofmann
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["a1a710e4-c442-4050-8746-c4bf6a441536"]}
Fixed In Version: moby-engine-29.6.0-1.fc45 moby-engine-29.6.0-1.fc44 moby-engine-29.6.0-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-19 15:28:24 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: 2480681    

Description Isaiah Johnson 2026-06-17 19:22:27 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 2026-06-19 15:25:55 UTC
FEDORA-2026-d8b527c6c7 (moby-engine-29.6.0-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d8b527c6c7

Comment 2 Fedora Update System 2026-06-19 15:28:24 UTC
FEDORA-2026-d8b527c6c7 (moby-engine-29.6.0-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2026-06-19 15:59:50 UTC
FEDORA-2026-d8e03bae55 (moby-engine-29.6.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d8e03bae55

Comment 4 Fedora Update System 2026-06-19 17:08:34 UTC
FEDORA-2026-0feb6e4967 (moby-engine-29.6.0-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0feb6e4967

Comment 5 Fedora Update System 2026-06-20 01:15:35 UTC
FEDORA-2026-d8e03bae55 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-d8e03bae55`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d8e03bae55

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-06-20 01:39:31 UTC
FEDORA-2026-0feb6e4967 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-0feb6e4967`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0feb6e4967

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-06-28 00:57:16 UTC
FEDORA-2026-d8e03bae55 (moby-engine-29.6.0-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-06-28 01:08:18 UTC
FEDORA-2026-0feb6e4967 (moby-engine-29.6.0-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.