Multiple Denial-of-Service (DoS) Vulnerability

More information

Multiple Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl.dll unpacker handler function crashes. This can lead to a possible scanning engine crash. 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 2022-09-13_07.
  • Affected products

  • All F-Secure and WithSecure Endpoint Protection products for Windows & Mac F-Secure Linux Security 64 F-Secure Linux Security 32 F-Secure Atlant F-Secure Internet Gatekeeper
  • Platforms

  • All supported platforms for the affected products
  • Date issued

  • 2022-09-30
  • Security advisories
  • 2022
  • Medium