A cacti security update has been released for Debian GNU/Linux 8 LTS

Package : cacti
Version : 0.8.8b+dfsg-8+deb8u8
CVE ID : CVE-2019-17358

It was discovered that there was unsafe deserialisation issue in
cacti, server monitoring system system.

Unsafe deserialisation of objects which can lead to abuse of the
application logic, deny service or even execute arbitrary code.

For Debian 8 "Jessie", this issue has been fixed in cacti version
0.8.8b+dfsg-8+deb8u8.

We recommend that you upgrade your cacti 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