USN-4127-1: Python vulnerabilities python2.7, python3.5, python3.6, python3.7 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in Python. Software Description python2.7 – An interactive high-level object-oriented language python3.7 – An interactive high-level object-oriented language python3.6 – An interactive high-level object-oriented language python3.5 – An interactive high-level object-oriented language Details It was discovered that Python incorrectly handled certain pickle files. An attacker could possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-20406) It was discovered that Python incorrectly validated the domain when handling cookies. An attacker could possibly trick Python into sending cookies to the wrong domain. (CVE-2018-20852) Jonathan Birch and Panayiotis Panayiotou discovered that Python incorrectly handled [ more… ]