Bug 2456377

Summary: CVE-2026-39395 singularity-ce: Cosign: Incorrect attestation verification due to malformed payloads or mismatched predicate types [epel-all]
Product: [Fedora] Fedora EPEL Reporter: Vipul Nair <vinair>
Component: singularity-ceAssignee: David Trudgian <dtrudg>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: epel10CC: dtrudg, dwd, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["1640bd01-a103-426f-be48-73fef4418dba"]}
Fixed In Version: singularity-ce-4.4.2-1.el10_2 singularity-ce-4.4.2-1.el10_3 singularity-ce-4.4.2-1.el9 singularity-ce-4.4.2-1.el8 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-19 00:25:16 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: 2456254    

Description Vipul Nair 2026-04-08 08:55:59 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 2026-06-10 11:11:11 UTC
FEDORA-EPEL-2026-57ae132e32 (singularity-ce-4.4.2-1.el8) has been submitted as an update to Fedora EPEL 8.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-57ae132e32

Comment 2 Fedora Update System 2026-06-10 11:11:29 UTC
FEDORA-EPEL-2026-d9f99fbd40 (singularity-ce-4.4.2-1.el9) has been submitted as an update to Fedora EPEL 9.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-d9f99fbd40

Comment 3 Fedora Update System 2026-06-10 11:11:51 UTC
FEDORA-EPEL-2026-15e8597d17 (singularity-ce-4.4.2-1.el10_3) has been submitted as an update to Fedora EPEL 10.3.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-15e8597d17

Comment 4 Fedora Update System 2026-06-10 11:12:08 UTC
FEDORA-EPEL-2026-82e8b5fef4 (singularity-ce-4.4.2-1.el10_2) has been submitted as an update to Fedora EPEL 10.2.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-82e8b5fef4

Comment 5 Fedora Update System 2026-06-11 00:54:39 UTC
FEDORA-EPEL-2026-d9f99fbd40 has been pushed to the Fedora EPEL 9 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-d9f99fbd40

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

Comment 6 Fedora Update System 2026-06-11 01:01:50 UTC
FEDORA-EPEL-2026-15e8597d17 has been pushed to the Fedora EPEL 10.3 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-15e8597d17

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

Comment 7 Fedora Update System 2026-06-11 01:19:14 UTC
FEDORA-EPEL-2026-82e8b5fef4 has been pushed to the Fedora EPEL 10.2 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-82e8b5fef4

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

Comment 8 Fedora Update System 2026-06-11 01:24:43 UTC
FEDORA-EPEL-2026-57ae132e32 has been pushed to the Fedora EPEL 8 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-57ae132e32

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

Comment 9 Fedora Update System 2026-06-19 00:25:16 UTC
FEDORA-EPEL-2026-82e8b5fef4 (singularity-ce-4.4.2-1.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-06-19 00:35:59 UTC
FEDORA-EPEL-2026-15e8597d17 (singularity-ce-4.4.2-1.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-06-19 00:48:43 UTC
FEDORA-EPEL-2026-d9f99fbd40 (singularity-ce-4.4.2-1.el9) has been pushed to the Fedora EPEL 9 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 12 Fedora Update System 2026-06-19 00:57:20 UTC
FEDORA-EPEL-2026-57ae132e32 (singularity-ce-4.4.2-1.el8) has been pushed to the Fedora EPEL 8 stable repository.
If problem still persists, please make note of it in this bug report.