Bug 2491389

Summary: CVE-2026-8358 libreoffice: LibreOffice Calc: Heap buffer overflow leads to denial of service via crafted spreadsheet document. [fedora-all]
Product: [Fedora] Fedora Reporter: TEJ RATHI <trathi>
Component: libreofficeAssignee: libreoffice-sig
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: dtardon, erack, gwync, libreoffice-sig, mattia.verga
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["3ac355ea-2771-4a8e-b425-e9c125432383"]}
Fixed In Version: libreoffice-26.2.4.1-0.1.fc45,libreoffice-26.2.4.2-4.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-06-23 09:01:05 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: 2488959    

Description TEJ RATHI 2026-06-22 15:13:47 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.