Bug 2441131

Summary: CVE-2026-26278 h3: fast-xml-parser: Denial of Service via unlimited XML entity expansion [fedora-43]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: h3Assignee: Felix Wang <topazus>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: 43CC: topazus
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["3262f2b3-3ef7-47b6-8ad8-1ef1683c05f1"]}
Fixed In Version: Doc Type: ---
Doc Text:
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Clone Of: Environment:
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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: 2441120    

Description Jon Moroney 2026-02-19 21:44:52 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.