Debian DSA-4468-1: php-horde-form Moderate Path Traversal Threat

For the stable distribution (stretch), this problem has been fixed in
version 2.0.15-1+deb9u1.

We recommend that you upgrade your php-horde-form packages.

For the detailed security status of php-horde-form please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/php-horde-form

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/