a(href="https://blog.ethereum.org/2015/09/03/security-alert-implementation-bug-in-go-clients-causing-increase-in-difficulty-fixed-miners-check-and-update-go-clients-if-necessary/", target="_blank", class="text-danger") Read the blog post
a(href="https://blog.ethereum.org/2015/09/10/security-alert-previous-security-patch-can-lead-to-invalid-state-root-on-go-clients-with-a-specific-transaction-sequence-fixed-please-update/", target="_blank", class="text-danger") Read the blog post