diff --git a/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
index 5aff910d62de..c52e9e8382a3 100644
--- a/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
@@ -36,6 +36,7 @@ final class ObjectNormalizer extends AbstractObjectNormalizer
 
     protected PropertyAccessorInterface $propertyAccessor;
     protected $propertyInfoExtractor;
+    private $writeInfoExtractor;
 
     private readonly \Closure $objectClassResolver;
 
@@ -51,6 +52,7 @@ public function __construct(?ClassMetadataFactoryInterface $classMetadataFactory
 
         $this->objectClassResolver = ($objectClassResolver ?? static fn ($class) => \is_object($class) ? $class::class : $class)(...);
         $this->propertyInfoExtractor = $propertyInfoExtractor ?: new ReflectionExtractor();
+        $this->writeInfoExtractor = new ReflectionExtractor();
     }
 
     public function getSupportedTypes(?string $format): array
@@ -174,8 +176,15 @@ protected function isAllowedAttribute($classOrObject, string $attribute, ?string
             return $this->propertyInfoExtractor->isReadable($class, $attribute) || $this->hasAttributeAccessorMethod($class, $attribute);
         }
 
-        return $this->propertyInfoExtractor->isWritable($class, $attribute)
-            || ($writeInfo = $this->propertyInfoExtractor->getWriteInfo($class, $attribute)) && PropertyWriteInfo::TYPE_NONE !== $writeInfo->getType();
+        if ($this->propertyInfoExtractor->isWritable($class, $attribute)) {
+            return true;
+        }
+
+        if (($writeInfo = $this->writeInfoExtractor->getWriteInfo($class, $attribute)) && PropertyWriteInfo::TYPE_NONE !== $writeInfo->getType()) {
+            return true;
+        }
+
+        return false;
     }
 
     private function hasAttributeAccessorMethod(string $class, string $attribute): bool
diff --git a/src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php b/src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php
index c9bb6a297939..13c0dcc08d0e 100644
--- a/src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php
@@ -214,8 +214,8 @@ public function testDecodeEmptyData()
 
     public function testMultipleEmptyHeaderNamesWithSeparator()
     {
-        $this->encoder->decode(',.
-,', 'csv');
+        $this->assertSame([['', [1 => '']]], $this->encoder->decode(',.
+,', 'csv'));
     }
 
     public function testEncodeVariableStructure()
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
index 9412cfce8b04..19bbcde2c710 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
@@ -269,6 +269,22 @@ public function testConstructorWithObjectDenormalize()
         $this->assertEquals('bar', $obj->bar);
     }
 
+    public function testConstructorWithObjectDenormalizeUsingPropertyInfoExtractor()
+    {
+        $serializer = $this->createMock(ObjectSerializerNormalizer::class);
+        $normalizer = new ObjectNormalizer(null, null, null, null, null, null, [], new PropertyInfoExtractor());
+        $normalizer->setSerializer($serializer);
+
+        $data = new \stdClass();
+        $data->foo = 'foo';
+        $data->bar = 'bar';
+        $data->baz = true;
+        $data->fooBar = 'foobar';
+        $obj = $normalizer->denormalize($data, ObjectConstructorDummy::class, 'any');
+        $this->assertEquals('foo', $obj->getFoo());
+        $this->assertEquals('bar', $obj->bar);
+    }
+
     public function testConstructorWithObjectTypeHintDenormalize()
     {
         $data = [