Bug 2456423

Summary: CVE-2026-28390 edk2: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing [fedora-42]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: edk2Assignee: Paolo Bonzini <pbonzini>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: berrange, crobinso, kraxel, pbonzini, philmd, virt-maint
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["b5e373d5-c5e4-40c1-8c22-a6066dc9d4e6"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-10 06:50:12 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: 2456314    

Description Vipul Nair 2026-04-08 09:35:27 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 Gerd Hoffmann 2026-04-10 06:50:12 UTC 
edk2 does not use encrypted messages, only pkcs#7 signatures, and is most likely not affected.