A php-horde-trean security update has been released for Debian GNU/Linux 8 LTS to address a directory traversal vulnerability.

DLA 2175-1: php-horde-trean security update

Package : php-horde-trean
Version : 1.1.1-2+deb8u1
CVE ID : CVE-2020-8865
Debian Bug : 955019

A directory traversal vulnerability resulting from insufficient input
sanitization was discovered in the Horde Application Framework. An
authenticated remote attacker could use this flaw to execute code in the
context of the web server user.

For Debian 8 "Jessie", this problem has been fixed in version
1.1.1-2+deb8u1.

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

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