A python-pysaml2 security update has been released for Debian GNU/Linux 8 LTS.

Package : python-pysaml2
Version : 2.0.0-1+deb8u3
CVE ID : CVE-2020-5390
Debian Bug : 949322

It was discovered that pysaml2, a Python implementation of SAML to be
used in a WSGI environment, was susceptible to XML signature wrapping
attacks, which could result in a bypass of signature verification.

For Debian 8 "Jessie", this problem has been fixed in version
2.0.0-1+deb8u3.

We recommend that you upgrade your python-pysaml2 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