USN-5066-2: PySAML2 vulnerability
USN-5066-1 fixed a vulnerability in PySAML2. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Brian Wolff discovered that PySAML2 incorrectly validated cryptographic
signatures. A remote attacker could possibly use this issue to alter SAML
documents.
Source: USN-5066-2: PySAML2 vulnerability