Advisory 2023-06/02 PHP Library May Cause Infinite Loop

Vulnerability typeInfinite loop
Severity factors

This vulnerability has a CVSS score of 7.5 with a high severity rating.

Versions affectedFileCloud Versions 22.1 and earlier
Version fixedFileCloud Version 23.1 and later


In versions of phpseclib  package earlier than 3.0.19, an infinite loop may occur.


These vulnerabilities have been fixed in FileCloud version which upgrades PHP to version 8.2, which includes a version of phpseclib above 3.0.

What you should do to fix this vulnerability

  • If you are using FileCloud Server, it is recommended that you update to the latest version, which is or greater. This will resolve the issue.
  • If you are using FileCloud Online, your site has already been updated to the latest version.

If you have any questions about this advisory, please contact FileCloud support.