Wednesday's security advisories CentOS has updated pam (C6; C7: denial of service).
Debian has updated python-django (multiple vulnerabilities).
Debian-LTS has updated wordpress (multiple vulnerabilities).
Fedora has updated audit (F21; F22: unsafe escape-sequence handling), icecast (F21; F22: denial of service), kernel (F21; F22: information leak), openssh (F22: multiple vulnerabilities), rubygem-rack (F22: denial of service), rubygems (F21: DNS hijacking), strongswan (F21; F22: multiple vulnerabilities), and xfsprogs (F21: information leak).
Oracle has updated pam (O6; O7: denial of service).
Red Hat has updated kernel (RHEL6: privilege escalation) and pam (RHEL6, 7: denial of service).
Scientific Linux has updated pam (SL6, 7: denial of service).
Ubuntu has updated python-django (12.04, 14.04, 15.04: multiple vulnerabilities) and openssh (12.04, 14.04, 15.04: upstream regression resulting in denial of service).