A libapache2-mod-auth-openidc security update has been released for Debian GNU/Linux 8 LTS.

Package : libapache2-mod-auth-openidc
Version : 1.6.0-1+deb8u3
CVE ID : CVE-2019-20479

An issue has been found in libapache2-mod-auth-openidc, an OpenID Connect
authentication module for Apache.
Due to insufficient validatation of URLs an Open Redirect vulnerability
for URLs beginning with a slash and backslash could be abused.

For Debian 8 "Jessie", this problem has been fixed in version
1.6.0-1+deb8u3.

We recommend that you upgrade your libapache2-mod-auth-openidc 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