Netskope Threat Labs

FILE-PDF Adobe Acrobat Reader malformed embedded TTF file memory corruption attempt

IPS-SWG

1 SID: 39687

First seen
August 2022
Last seen
October 2026

Detects a PDF exploiting CVE-2016-4201 and CVE-2016-4205, memory corruption in Adobe Acrobat Reader's embedded font parsing that can allow code execution. The rule matches the malformed font tables that public exploits use to corrupt parser memory.