Security Advisory for Fix in Concordium Node 5.0.6 now public

Concordium Node 5.0.6, which was released November 29 (see previous announcement), fixed a security vulnerability present in protocol 4 implementation of V1 contracts.

The security advisory detailing the issue and the patch is now public.

Note that if nodes have not been updated to node version 5.0.6, they have stopped processing new blocks after the protocol update on December 13 at 09:05 CET.