CVE-2013-1397

Symfony 2.0.x before 2.0.22, 2.1.x before 2.1.7, and 2.2.x remote attackers to execute arbitrary PHP code via a serialized PHP object to the 1 Yaml::parse or 2 Yaml\Parser::parse function, a different vulnerability than CVE-2013-1348...

Possible DOS attack with long user-submitted passwords

More info at https://symfony.com/blog/security-releases-cve-2013-5958-symfony-2-0-25-2-1-13-2-2-9-and-2-3-6-released...