diff --git a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
index 80ea6903dad25..37a8005d1b678 100644
--- a/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
@@ -458,6 +458,15 @@ protected function instantiateObject(array &$data, string $class, array &$contex
unset($context['has_constructor']);
+ if (!$reflectionClass->isInstantiable()) {
+ throw NotNormalizableValueException::createForUnexpectedDataType(
+ sprintf('Failed to create object because the class "%s" is not instantiable.', $class),
+ $data,
+ ['unknown'],
+ $context['deserialization_path'] ?? null,
+ );
+ }
+
return new $class();
}
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractNormalizerTest.php
index 3397cb5047a79..aa62e692db102 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractNormalizerTest.php
@@ -15,6 +15,7 @@
use PHPUnit\Framework\TestCase;
use Symfony\Component\PropertyInfo\Extractor\PhpDocExtractor;
use Symfony\Component\Serializer\Encoder\JsonEncoder;
+use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
use Symfony\Component\Serializer\Mapping\AttributeMetadata;
use Symfony\Component\Serializer\Mapping\ClassMetadata;
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
@@ -32,6 +33,7 @@
use Symfony\Component\Serializer\Tests\Fixtures\NullableOptionalConstructorArgumentDummy;
use Symfony\Component\Serializer\Tests\Fixtures\StaticConstructorDummy;
use Symfony\Component\Serializer\Tests\Fixtures\StaticConstructorNormalizer;
+use Symfony\Component\Serializer\Tests\Fixtures\UnitEnumDummy;
use Symfony\Component\Serializer\Tests\Fixtures\VariadicConstructorTypedArgsDummy;
/**
@@ -279,4 +281,16 @@ public function testIgnore()
$this->assertSame([], $normalizer->normalize($dummy));
}
+
+ /**
+ * @requires PHP 8.1
+ */
+ public function testDenormalizeWhenObjectNotInstantiable()
+ {
+ $this->expectException(NotNormalizableValueException::class);
+
+ $normalizer = new ObjectNormalizer();
+
+ $normalizer->denormalize('{}', UnitEnumDummy::class);
+ }
}
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