Bug 2526387

Summary: CVE-2026-43731 webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption [fedora-all]
Product: [Fedora] Fedora Reporter: TEJ RATHI <trathi>
Component: webkitgtkAssignee: Michael Catanzaro <mcatanza>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: daniel, gnome-sig, mcatanza, suraj.ghimire7, tpopela
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["7cb7f025-522f-47a3-bcef-9a025fb1f3c4"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-08-31 18:19:32 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: 2500535    

Description TEJ RATHI 2026-08-31 16:00:22 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.

A use-after-free issue was addressed with improved memory management.

Impact: maliciously crafted web content may lead to memory corruption

Advisory: https://webkitgtk.org/security/WSA-2026-0004.html
WebKit Bug: https://bugs.webkit.org/show_bug.cgi?id=314115