Zero-Day Advisory

Fortinet Discovers Adobe After Effects Heap Corruption Vulnerability


Fortinet's FortiGuard Labs has discovered a heap overflow vulnerability in Adobe After Effects.

After Effects is a video-editing application developed and published by Adobe Systems for macOS and Windows.

A heap overflow vulnerability has been discovered in After Effects by FortiGuard Labs. The vulnerability is caused by a crafted "AEPX" file which causes a heap overflow. It could allow malicious users to create code execution scenarios.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released May 22, 2020

Users should apply the solution provided by Adobe.


Fortinet reported the vulnerability to Adobe on April 01, 2020.

Adobe confirmed the vulnerability on May 21, 2020.

Adobe patched the vulnerability on June 16, 2020.


This vulnerability was discovered by Honggang Ren of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.