Ubuntu Security Notice 4171-4 - USN-4171-2 fixed a vulnerability in Apport. The update caused a regression in the Python Apport library. This update fixes the problem for Ubuntu 14.04 ESM. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Various other issues were also addressed.
81caad2d46344b540abb520d2403bf96350e49f383817970934e6e91fd5bd73f