Netskope Threat Labs

BROWSER-WEBKIT Apple WebKit memory corruption attempt

IPS-CFW

4 SIDs: 47022, 200222, 200317, 200328

First seen
July 2024
Last seen
July 2025

Detects web content that exploits CVE-2018-4233, memory corruption in Apple WebKit's JavaScript engine that can allow code execution. The rule matches the crafted property triggers and string manipulation that public exploits use to confuse the engine's value handling.