Symfony 3.4.26 has just been released. Here is a list of the most important changes:

  • bug #31084 [HttpFoundation] Make MimeTypeExtensionGuesser case insensitive (@vermeirentony)
  • bug #31142 Revert "bug #30423 [Security] Rework firewall's access denied rule (dimabory)" (@chalasr)
  • security #cve-2019-10910 [DI] Check service IDs are valid (@nicolas-grekas)
  • security #cve-2019-10909 [FrameworkBundle][Form] Fix XSS issues in the form theme of the PHP templating engine (@stof)
  • security #cve-2019-10912 [Cache][PHPUnit Bridge] Prevent destructors with side-effects from being unserialized (@nicolas-grekas)
  • security #cve-2019-10911 [Security] Add a separator in the remember me cookie hash (@pborreli)
  • security #cve-2019-10913 [HttpFoundation] reject invalid method override (@nicolas-grekas)

Want to upgrade to this new release? Fortunately, because Symfony protects backwards-compatibility very closely, this should be quite easy. Read our upgrade documentation to learn more.

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Published in #Releases