It might have been safe to eat, maybe not but the taste must have been horrible.
If something stays in my freezer over a month it usually loses some flavor.
Was this a deep freezer or the standard freezer compartment of a refrigerator? My mother used to keep all sorts of things in her deep freezer for decades — meats included. No one had food poisoning.
Put meat, fish or poultry in plastic bag or container, fill bag or container with water, force out ALL the AIR then freeze.
Will be as fresh as the day you bought it even 5 years later.