CVE-2026-83596 Webkitgtk: validate the full featurelist array once in opentypeverticaldata findfeature

A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling...

CVE-2026-83596

CVE-2026-83596 is a memory corruption vulnerability in WebKitGTK caused by improper handling of the featurelist array in the OpenTypeVerticalData::findFeature function. Processing malicious web content can trigger the flaw, leading to memory corruption with high impact on confidentiality, integri...