Bug 2490285

Summary: CVE-2026-6040 libreoffice: LibreOffice: Heap use-after-free allows arbitrary code execution via malformed ODF number format [fedora-all]
Product: [Fedora] Fedora Reporter: Srikanth Balasubramanian <sbalasub>
Component: libreofficeAssignee: libreoffice-sig
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: dtardon, erack, gwync, libreoffice-sig, mattia.verga
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["36ddb6d9-dd42-4af7-add7-e37de8648e84"]}
Fixed In Version: libreoffice-26.2.3.1-0.1.fc45,libreoffice-26.2.3.2-2.fc44,libreoffice-25.8.7.2-2.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-18 16:31:49 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: 2488966    

Description Srikanth Balasubramanian 2026-06-18 11:11:41 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.