Denial-of-Service (DoS) Vulnerability

More information

A vulnerability in the lhz archive unpack handler allows a local user to perform denial of service in the system and bypass security protection, which can be abused for local privilege escalation client.

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

NOTE: We have applied for, but not yet received a CVE identifier for this Advisory. We will update the advisory page once we have obtained the CVE number.


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



  • Fixed
  • Risk level

  • Medium
  • Action required

  • No User action is required. The required fix has been published through automatic update channel with Capricorn database on 2023-02-14_11
  • Affected products

  • All 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

  • 2023-02-28