/usr/share/php/Symfony/Component/Validator/Exception/ is in php-symfony-validator 2.3.21+dfsg-4+deb8u3.
This file is owned by root:root, with mode 0o755.
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/usr/share/php/Symfony/Component/Validator/Exception/BadMethodCallException.php
/usr/share/php/Symfony/Component/Validator/Exception/ConstraintDefinitionException.php
/usr/share/php/Symfony/Component/Validator/Exception/ExceptionInterface.php
/usr/share/php/Symfony/Component/Validator/Exception/GroupDefinitionException.php
/usr/share/php/Symfony/Component/Validator/Exception/InvalidArgumentException.php
/usr/share/php/Symfony/Component/Validator/Exception/InvalidOptionsException.php
/usr/share/php/Symfony/Component/Validator/Exception/MappingException.php
/usr/share/php/Symfony/Component/Validator/Exception/MissingOptionsException.php
/usr/share/php/Symfony/Component/Validator/Exception/NoSuchMetadataException.php
/usr/share/php/Symfony/Component/Validator/Exception/UnexpectedTypeException.php
/usr/share/php/Symfony/Component/Validator/Exception/ValidatorException.php