Bug 2526543

Summary: CVE-2026-83596 webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature [fedora-all]
Product: [Fedora] Fedora Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: webkitgtkAssignee: Michael Catanzaro <mcatanza>
Status: NEW --- 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": ["7a50cfaa-d0de-40b1-9ceb-23a03f5677d4"]}
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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: 2526490    

Description Guilherme de Almeida Suckevicz 2026-08-31 20:49:55 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.

The issue was addressed with improved memory handling. This issue does not affect Apple platforms. Processing maliciously crafted web content may lead to memory corruption.