Bug 2458368

Summary: CVE-2026-40164 jq: jq: Denial of Service via crafted JSON object causing hash collisions [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: jqAssignee: Jonathan Wright <jonathan>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: david, jonathan
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["b5cd39a6-c72f-4a2f-b6c1-ed9500c8ecb9"]}
Fixed In Version: jq-1.8.1-3.fc43 jq-1.8.1-3.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-22 07:49:16 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: 2458084    

Description Jon Moroney 2026-04-14 18:07:33 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 2026-04-16 14:02:25 UTC
FEDORA-2026-4e57162966 (jq-1.8.1-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-4e57162966

Comment 2 Fedora Update System 2026-04-16 14:02:38 UTC
FEDORA-2026-0eb8e878b6 (jq-1.8.1-3.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0eb8e878b6

Comment 3 Fedora Update System 2026-04-17 01:48:57 UTC
FEDORA-2026-0eb8e878b6 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-2026-0eb8e878b6`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0eb8e878b6

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

Comment 4 Fedora Update System 2026-04-17 02:09:33 UTC
FEDORA-2026-4e57162966 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-2026-4e57162966`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-4e57162966

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

Comment 5 Fedora Update System 2026-04-22 07:49:16 UTC
FEDORA-2026-4e57162966 (jq-1.8.1-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-04-25 01:46:59 UTC
FEDORA-2026-0eb8e878b6 (jq-1.8.1-3.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.