symfony
diff --git a/‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
Lines changed: 4 additions & 3 deletions b/‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php
Lines changed: 4 additions & 3 deletions
diff --git a/‎src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
Lines changed: 36 additions & 0 deletions b/‎src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
Lines changed: 36 additions & 0 deletions
@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\Serializer\Normalizer;
 
-use Symfony\Component\PropertyAccess\Exception\InvalidArgumentException;
+use Symfony\Component\PropertyAccess\Exception\InvalidArgumentException as PropertyAccessInvalidArgumentException;
 use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;
 use Symfony\Component\PropertyAccess\Exception\UninitializedPropertyException;
 use Symfony\Component\PropertyAccess\PropertyAccess;
@@ -21,6 +21,7 @@
 use Symfony\Component\Serializer\Encoder\JsonEncoder;
 use Symfony\Component\Serializer\Encoder\XmlEncoder;
 use Symfony\Component\Serializer\Exception\ExtraAttributesException;
+use Symfony\Component\Serializer\Exception\InvalidArgumentException;
 use Symfony\Component\Serializer\Exception\LogicException;
 use Symfony\Component\Serializer\Exception\MissingConstructorArgumentsException;
 use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
@@ -387,7 +388,7 @@ public function denormalize(mixed $data, string $type, string $format = null, ar
 
             try {
                 $this->setAttributeValue($object, $attribute, $value, $format, $attributeContext);
-            } catch (InvalidArgumentException $e) {
+            } catch (PropertyAccessInvalidArgumentException $e) {
                 $exception = NotNormalizableValueException::createForUnexpectedDataType(
                     sprintf('Failed to denormalize attribute "%s" value for class "%s": '.$e->getMessage(), $attribute, $type),
                     $data,
@@ -562,7 +563,7 @@ private function validateAndDenormalize(array $types, string $currentClass, stri
                 if (('is_'.$builtinType)($data)) {
                     return $data;
                 }
-            } catch (NotNormalizableValueException $e) {
+            } catch (NotNormalizableValueException|InvalidArgumentException $e) {
                 if (!$isUnionType) {
                     throw $e;
                 }
 
@@ -37,6 +37,7 @@
 use Symfony\Component\Serializer\NameConverter\MetadataAwareNameConverter;
 use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
 use Symfony\Component\Serializer\Normalizer\AbstractObjectNormalizer;
+use Symfony\Component\Serializer\Normalizer\BackedEnumNormalizer;
 use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
 use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
@@ -769,6 +770,23 @@ public function supportsNormalization(mixed $data, string $format = null, array
 
         $this->assertSame('called', $object->bar);
     }
+
+    public function testDenormalizeUnionOfEnums()
+    {
+        $serializer = new Serializer([
+            new BackedEnumNormalizer(),
+            new ObjectNormalizer(
+                classMetadataFactory: new ClassMetadataFactory(new AnnotationLoader()),
+                propertyTypeExtractor: new PropertyInfoExtractor([], [new ReflectionExtractor()]),
+            ),
+        ]);
+
+        $normalized = $serializer->normalize(new DummyWithEnumUnion(EnumA::A));
+        $this->assertEquals(new DummyWithEnumUnion(EnumA::A), $serializer->denormalize($normalized, DummyWithEnumUnion::class));
+
+        $normalized = $serializer->normalize(new DummyWithEnumUnion(EnumB::B));
+        $this->assertEquals(new DummyWithEnumUnion(EnumB::B), $serializer->denormalize($normalized, DummyWithEnumUnion::class));
+    }
 }
 
 class AbstractObjectNormalizerDummy extends AbstractObjectNormalizer
@@ -1186,3 +1204,21 @@ public function __sleep(): array
         throw new \Error('not serializable');
     }
 }
+
+enum EnumA: string
+{
+    case A = 'a';
+}
+
+enum EnumB: string
+{
+    case B = 'b';
+}
+
+class DummyWithEnumUnion
+{
+    public function __construct(
+        public readonly EnumA|EnumB $enum,
+    ) {
+    }
+}