Bug 2450989

Summary: CVE-2026-33349 h3: fast-xml-parser: Denial of Service via unbounded entity expansion due to incorrect configuration limit handling [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: h3Assignee: Felix Wang <topazus>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: topazus
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["e6203a28-047a-4d92-899a-e2e3a9280910"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2450909    

Description Jon Moroney 2026-03-24 20:46:04 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.