CVE-2019-11325 fixes an issue where some strings were not properly escaped while dumping, leading to possible remote code execution.
CVE-2019-18886 fixes an issue where one could enumerate users using the switch user functionality as different behaviour would occur when a user existed compared to when a user did not
CVE-2019-18887 fixes an issue where one could guess the signature of an URI using a remote timing attack.
CVE-2019-18889 fixes an issue where the destructor of TagAwareAdapter execute callables stored in properties, leading to possible remote code execution when an external payload is unserialized.
CVE-2019-10912 fixes an issue where files could be deleted or raw output echoed when some classes were unserialized.
CVE-2019-10913 ensures that HTTP Methods are sanitized for use in unescaped contexts.
CVE-2019-10909 fixes an issue where when using the form theme of the PHP templating engine validation messages were not correctly escaped.
CVE-2019-10910 fixes an issue where crafted service IDs could be executed as code
CVE-2019-10911 fixes an issue where there was not a clear differentiation between different parts of the content of a cookie allowing for potential to authenticate as a different user in particular situations
Fixing a vulnerability in Twig's sandbox mode.