Ubuntu Security Notice 2769-1 – It was discovered that Apache Commons HttpClient did not properly verify the Common Name or subjectAltName fields of X.509 certificates. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. This issue only affected Ubuntu 12.04 LTS. Florian Weimer discovered the fix for CVE-2012-5783 was incomplete for Apache Commons HttpClient. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. This issue only affected Ubuntu 12.04 LTS. Various other issues were also addressed.