Bug 2454251

Summary: CVE-2026-34545 mingw-openexr: OpenEXR: Remote code execution via crafted EXR files [fedora-all]
Product: [Fedora] Fedora Reporter: Sandipan Roy <saroy>
Component: mingw-openexrAssignee: Sandro Mani <manisandro>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: manisandro
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["c2a5070d-0fe0-4376-bb94-9134e657036a"]}
Fixed In Version: Doc Type: ---
Doc Text:
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Clone Of: Environment:
Last Closed: 2026-04-02 08:58:07 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2454139    

Description Sandipan Roy 2026-04-02 08:28:59 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 Sandro Mani 2026-04-02 08:58:07 UTC 
All current Fedora version have either mingw-openexr < 3.4.0 or mingw-openexr >= 3.4.7