http://undeadly.org/ in section OpenBSD Errata
month is incorrect! they said 2013-13-07 001 RELIABILITY A crash can happen on pflow(4) interface destruction. 2013-13-07 002 SECURITY A memory corruption vulnerability exists in the post-authentication sshd process when an AES-GCM cipher (aes128-...@openssh.com or aes256-...@openssh.com) is selected during kex exchange. Review the gcmrekey advisory for a mitigation. 2013-13-11 003 RELIABILITY An unprivileged user may hang the system. 2013-13-21 004 SECURITY A problem exists in nginx(8) which might allow an attacker to bypass security restrictions in certain configurations by using a specially crafted request. This issue was assigned CVE-2013-4547.