Ignore unspecified addresses from zeroconf (#81620)

homeassistant/components/zeroconf/__init__.py

@@ -552,12 +552,20 @@ def _first_non_link_local_address(
     """Return the first ipv6 or non-link local ipv4 address, preferring IPv4."""
     for address in addresses:
         ip_addr = ip_address(address)
-        if not ip_addr.is_link_local and ip_addr.version == 4:
+        if (
+            not ip_addr.is_link_local
+            and not ip_addr.is_unspecified
+            and ip_addr.version == 4
+        ):
             return str(ip_addr)
     # If we didn't find a good IPv4 address, check for IPv6 addresses.
     for address in addresses:
         ip_addr = ip_address(address)
-        if not ip_addr.is_link_local and ip_addr.version == 6:
+        if (
+            not ip_addr.is_link_local
+            and not ip_addr.is_unspecified
+            and ip_addr.version == 6
+        ):
             return str(ip_addr)
     return None
 

tests/components/zeroconf/test_init.py

@@ -819,6 +819,24 @@ async def test_info_from_service_with_link_local_address_first(hass):
     assert info.host == "192.168.66.12"
 
 
+async def test_info_from_service_with_unspecified_address_first(hass):
+    """Test that the unspecified address is ignored."""
+    service_type = "_test._tcp.local."
+    service_info = get_service_info_mock(service_type, f"test.{service_type}")
+    service_info.addresses = ["0.0.0.0", "192.168.66.12"]
+    info = zeroconf.info_from_service(service_info)
+    assert info.host == "192.168.66.12"
+
+
+async def test_info_from_service_with_unspecified_address_only(hass):
+    """Test that the unspecified address is ignored."""
+    service_type = "_test._tcp.local."
+    service_info = get_service_info_mock(service_type, f"test.{service_type}")
+    service_info.addresses = ["0.0.0.0"]
+    info = zeroconf.info_from_service(service_info)
+    assert info is None
+
+
 async def test_info_from_service_with_link_local_address_second(hass):
     """Test that the link local address is ignored."""
     service_type = "_test._tcp.local."