diff --git a/hibernate-vector/src/test/java/org/hibernate/vector/OracleByteVectorTest.java b/hibernate-vector/src/test/java/org/hibernate/vector/OracleByteVectorTest.java
index e26cc56f668d..0e115f06d51b 100644
--- a/hibernate-vector/src/test/java/org/hibernate/vector/OracleByteVectorTest.java
+++ b/hibernate-vector/src/test/java/org/hibernate/vector/OracleByteVectorTest.java
@@ -11,6 +11,7 @@
 import org.hibernate.annotations.Array;
 import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.dialect.OracleDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.type.SqlTypes;
 
 import org.hibernate.testing.orm.junit.DomainModel;
@@ -170,6 +171,7 @@ public void testVectorDims(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle 23.9 bug")
 	public void testVectorNorm(SessionFactoryScope scope) {
 		scope.inTransaction( em -> {
 			//tag::vector-norm-example[]
diff --git a/hibernate-vector/src/test/java/org/hibernate/vector/OracleDoubleVectorTest.java b/hibernate-vector/src/test/java/org/hibernate/vector/OracleDoubleVectorTest.java
index ef482deac140..4158c2677182 100644
--- a/hibernate-vector/src/test/java/org/hibernate/vector/OracleDoubleVectorTest.java
+++ b/hibernate-vector/src/test/java/org/hibernate/vector/OracleDoubleVectorTest.java
@@ -11,6 +11,7 @@
 import org.hibernate.annotations.Array;
 import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.dialect.OracleDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.type.SqlTypes;
 
 import org.hibernate.testing.orm.junit.DomainModel;
@@ -169,6 +170,7 @@ public void testVectorDims(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle 23.9 bug")
 	public void testVectorNorm(SessionFactoryScope scope) {
 		scope.inTransaction( em -> {
 			//tag::vector-norm-example[]
diff --git a/hibernate-vector/src/test/java/org/hibernate/vector/OracleFloatVectorTest.java b/hibernate-vector/src/test/java/org/hibernate/vector/OracleFloatVectorTest.java
index c813479bd8a4..288013188dfc 100644
--- a/hibernate-vector/src/test/java/org/hibernate/vector/OracleFloatVectorTest.java
+++ b/hibernate-vector/src/test/java/org/hibernate/vector/OracleFloatVectorTest.java
@@ -11,6 +11,7 @@
 import org.hibernate.annotations.Array;
 import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.dialect.OracleDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.type.SqlTypes;
 
 import org.hibernate.testing.orm.junit.DomainModel;
@@ -188,6 +189,7 @@ public void testVectorDims(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle 23.9 bug")
 	public void testVectorNorm(SessionFactoryScope scope) {
 		scope.inTransaction( em -> {
 			//tag::vector-norm-example[]
diff --git a/hibernate-vector/src/test/java/org/hibernate/vector/OracleGenericVectorTest.java b/hibernate-vector/src/test/java/org/hibernate/vector/OracleGenericVectorTest.java
index 3641398c4886..d753cb034283 100644
--- a/hibernate-vector/src/test/java/org/hibernate/vector/OracleGenericVectorTest.java
+++ b/hibernate-vector/src/test/java/org/hibernate/vector/OracleGenericVectorTest.java
@@ -11,6 +11,7 @@
 import org.hibernate.annotations.Array;
 import org.hibernate.annotations.JdbcTypeCode;
 import org.hibernate.dialect.OracleDialect;
+import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.hibernate.type.SqlTypes;
 
 import org.hibernate.testing.orm.junit.DomainModel;
@@ -189,6 +190,7 @@ public void testVectorDims(SessionFactoryScope scope) {
 	}
 
 	@Test
+	@SkipForDialect(dialectClass = OracleDialect.class, reason = "Oracle 23.9 bug")
 	public void testVectorNorm(SessionFactoryScope scope) {
 		scope.inTransaction( em -> {
 			//tag::vector-norm-example[]