A drupal7 security update has been released for Debian GNU/Linux 8 LTS to address a problem with the Form API.

DLA 2263-1: drupal7 security update

Package : drupal7
Version : 7.32-1+deb8u19
CVE ID : CVE-2020-13663
Debian Bug :

CVE-2020-13663 - Drupal SA 2020-004

The Drupal core Form API does not properly handle certain form
input from cross-site requests, which can lead to other vulnerabilities.

For Debian 8 "Jessie", this problem has been fixed in version
7.32-1+deb8u19.

We recommend that you upgrade your drupal7 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