Netskope Threat Labs

FILE-FLASH Adobe Flash Player Rectangle constructor use after free attempt

IPS-SWG

1 SID: 44016

First seen
July 2024
Last seen
October 2026

Detects Flash content exploiting CVE-2016-4228, a use-after-free in Flash Player's rectangle object handling that can allow code execution. The rule matches the scroll rectangle assignments that public exploits use to free geometry objects while they remain in use.