diff --git a/core/runtime/src/main/java/io/quarkus/runtime/graal/InetSubstitutions.java b/core/runtime/src/main/java/io/quarkus/runtime/graal/InetSubstitutions.java
new file mode 100644
index 00000000000000..49f89b7fd86ae5
--- /dev/null
+++ b/core/runtime/src/main/java/io/quarkus/runtime/graal/InetSubstitutions.java
@@ -0,0 +1,30 @@
+package io.quarkus.runtime.graal;
+
+import java.net.Inet4Address;
+
+import org.wildfly.common.net.Inet;
+
+import com.oracle.svm.core.annotate.Alias;
+import com.oracle.svm.core.annotate.RecomputeFieldValue;
+import com.oracle.svm.core.annotate.TargetClass;
+
+@TargetClass(Inet.class)
+final class Target_org_wildfly_common_net_Inet {
+
+    /*
+     * The following fields recomputations are required because of a new restriction in GraalVM 19.3.0 that prohibits the
+     * presence of java.net.Inet4Address in the image heap.
+     */
+
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.FromAlias)
+    public static Inet4Address INET4_ANY = Inet.getInet4Address(0, 0, 0, 0);
+
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.FromAlias)
+    public static Inet4Address INET4_LOOPBACK = Inet.getInet4Address(127, 0, 0, 1);
+
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.FromAlias)
+    public static Inet4Address INET4_BROADCAST = Inet.getInet4Address(255, 255, 255, 255);
+}
diff --git a/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/graal/JdkSubstitutions.java b/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/graal/JdkSubstitutions.java
index 14afde0c96753d..612ecaa9965a3e 100644
--- a/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/graal/JdkSubstitutions.java
+++ b/extensions/vertx-core/runtime/src/main/java/io/quarkus/vertx/core/runtime/graal/JdkSubstitutions.java
@@ -8,8 +8,9 @@
 import com.oracle.svm.core.annotate.Alias;
 import com.oracle.svm.core.annotate.Substitute;
 import com.oracle.svm.core.annotate.TargetClass;
+import com.oracle.svm.core.jdk.JDK8OrEarlier;
 
-@TargetClass(className = "sun.misc.URLClassPath$Loader")
+@TargetClass(className = "sun.misc.URLClassPath$Loader", onlyWith = JDK8OrEarlier.class)
 final class Target_sun_misc_URLClassPath$Loader {
 
     @Alias
@@ -17,7 +18,7 @@ final class Target_sun_misc_URLClassPath$Loader {
     }
 }
 
-@TargetClass(className = "sun.misc.URLClassPath$FileLoader")
+@TargetClass(className = "sun.misc.URLClassPath$FileLoader", onlyWith = JDK8OrEarlier.class)
 final class Target_sun_misc_URLClassPath$FileLoader {
 
     @Alias
@@ -25,7 +26,7 @@ final class Target_sun_misc_URLClassPath$FileLoader {
     }
 }
 
-@TargetClass(className = "sun.misc.URLClassPath")
+@TargetClass(className = "sun.misc.URLClassPath", onlyWith = JDK8OrEarlier.class)
 final class Target_sun_misc_URLClassPath {
 
     @Substitute
diff --git a/integration-tests/main/src/main/java/io/quarkus/it/config/MicroProfileConfigResource.java b/integration-tests/main/src/main/java/io/quarkus/it/config/MicroProfileConfigResource.java
index 09f2080536b50f..02c0359d6dfa9d 100644
--- a/integration-tests/main/src/main/java/io/quarkus/it/config/MicroProfileConfigResource.java
+++ b/integration-tests/main/src/main/java/io/quarkus/it/config/MicroProfileConfigResource.java
@@ -6,6 +6,7 @@
 
 import org.eclipse.microprofile.config.Config;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
+import org.wildfly.common.net.CidrAddress;
 
 /**
  * Test some MicroProfile config primitives.
@@ -19,6 +20,9 @@ public class MicroProfileConfigResource {
     @ConfigProperty(name = "microprofile.custom.value")
     MicroProfileCustomValue value;
 
+    @ConfigProperty(name = "microprofile.cidr-address")
+    CidrAddress cidrAddress;
+
     @Inject
     Config config;
 
@@ -36,4 +40,10 @@ public String getPropertyNames() throws Exception {
     public String getCustomValue() {
         return Integer.toString(value.getNumber());
     }
+
+    @GET
+    @Path("/get-cidr-address")
+    public String getCidrAddress() {
+        return cidrAddress.getNetworkAddress().getHostAddress();
+    }
 }
diff --git a/integration-tests/main/src/main/resources/application.properties b/integration-tests/main/src/main/resources/application.properties
index ea85d072165071..48c7545ce81e9f 100644
--- a/integration-tests/main/src/main/resources/application.properties
+++ b/integration-tests/main/src/main/resources/application.properties
@@ -25,6 +25,7 @@ web-message=A message
 schedulerservice.cron.expr=0/10 * * * * ?
 
 microprofile.custom.value = 456
+microprofile.cidr-address=10.0.0.20/24
 configproperties.message=Hello
 configproperties.other=1
 
diff --git a/integration-tests/main/src/test/java/io/quarkus/it/main/MicroProfileConfigTestCase.java b/integration-tests/main/src/test/java/io/quarkus/it/main/MicroProfileConfigTestCase.java
index 4c181d8ba3154e..94ef2e6c059058 100644
--- a/integration-tests/main/src/test/java/io/quarkus/it/main/MicroProfileConfigTestCase.java
+++ b/integration-tests/main/src/test/java/io/quarkus/it/main/MicroProfileConfigTestCase.java
@@ -25,4 +25,11 @@ public void testMicroprofileConfigGetCustomValue() {
                 .when().get("/microprofile-config/get-custom-value")
                 .then().body(is("456"));
     }
+
+    @Test
+    public void testCidrAddress() {
+        RestAssured
+                .when().get("/microprofile-config/get-cidr-address")
+                .then().body(is("10.0.0.0"));
+    }
 }