Security advisories

CVE-2023-45200: Denial-of-Service (DoS) Vulnerability




FIX: No user action is required. The required fix has been published through automatic update channel in the F‑Secure Capricorn Engine database with version 2023-01-16_07.

Affected products

  • All F‑Secure end­point protection products for Windows and Mac

Affected platforms

  • All supported platforms for the affected products

More information

A Denial-of-Service (DoS) vulnerability was discovered within aerdl.dll unpacker handler function of F‑Secure products, which could lead to a possible scanning engine crash. The exploit can be triggered remotely by an attacker through a specially crafted file.

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


F‑Secure would like to thank faty420 for bringing this issue to our attention.

Change notes

2023-10-09: Updated advisory to include assigned CVE number, and replaced security advisory’s identifier from FSC-2023-1 to CVE-2023-45200.

Date issued: 2023-01-19
Date updated: 2023-10-09