Denial-of-Service (DoS) Vulnerability

More information

A denial-of-service vulnerability was discovered in WithSecure products where aerdl.dll may go into an infinite loop when unpacking PE files. It is possible that this can crash the scanning engine. The exploit can be triggered remotely by an attacker.

This issue was reported to WithSecure through the Vulnerability Reward Program. No known exploit or attack has been seen in the wild.


WithSecure would like to thank faty420 for bringing this issue to our attention.




  • Fixed
  • Action required

  • No user action is required.
  • Risk level

  • Medium
  • Fix

  • The required fix has been published through automatic update channel with Capricorn database on 2022-08-25_6.
  • Affected products

  • All WithSecure endpoint protection products for Windows running 32-bit operating system, F-Secure Linux Security (32-bit), F-Secure Internet Gatekeeper
  • Platforms

  • All supported platforms for the affected products
  • Date issued

  • 2022-09-05
  • Security advisories
  • 2022
  • Medium