Bug 2432186

Summary: CVE-2026-23831 apptainer: Rekor denial of service [epel-8]
Product: [Fedora] Fedora EPEL Reporter: Jon Moroney <jmoroney>
Component: apptainerAssignee: Dave Dykstra <dwd>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: epel8CC: dwd, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["5038f6a5-4020-419c-8e05-af1aa2738423"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-01-27 17:42:34 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: 2432169    

Description Jon Moroney 2026-01-22 22:36:56 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 Dave Dykstra 2026-01-27 17:42:34 UTC 
This is only a denial of service and it's not clear that the affected codepath is even accessible through Apptainer.  The main branch of Apptainer source (which will be in the next release) does not even have an indirect reference to sigstore/rekor.