UBUNTU-CVE-2016-1252

The apt package in Debian jessie before 1.0.9.8.4, in Debian unstable before 1.4beta2, in Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, in Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and in Ubuntu 16.10 before 1.3.2ubuntu0.1 allows man-in-the-middle attackers to bypass a repository-signing protection...