This update for pam fixes two security issues.
These security issues were fixed: - CVE-2015-3238: pam_unix in conjunction with SELinux allowed for DoS attacks (bsc#934920). - CVE-2013-7041: Compare password hashes case-sensitively (bsc#854480).
This non-security issue was fixed: - bsc#962220: Don't fail when /var/log/btmp is corrupted