May 25, 2018 Fabien Potencier

Symfony 4.0.11 has just been released. Here is a list of the most important changes:

bug #27364 [DI] Fix bad exception on uninitialized references to non-shared services (@nicolas-grekas)

bug #27359 [HttpFoundation] Fix perf issue during MimeTypeGuesser intialization (@nicolas-grekas)

security #cve-2018-11408 [SecurityBundle] Fail if security.htt _utils cannot be configured

security #cve-2018-11406 clear CSRF tokens when the user is logged out

security #cve-2018-11385 migrating session for UsernamePasswordJsonAuthenticationListener

security #cve-2018-11385 Adding session authentication strategy to Guard to avoid session fixation

security #cve-2018-11385 Adding session strategy to ALL listeners to avoid any possible fixation

security #cve-2018-11386 [HttpFoundation] Break infinite loop in PdoSessionHandler when MySQL is in loose mode

bug #27341 [WebProfilerBundle] Fixed validator/dump trace CSS (@yceruto)

bug #27337 [FrameworkBundle] fix typo in CacheClearCommand (@emilielorenzo)

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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