TYPO3 12.1.1, 11.5.20 and 10.4.33 security releases published

Categories: Development, TYPO3 CMS Created by Oliver Hader
The versions 12.1.1, 11.5.20 and 10.4.33 of the TYPO3 Enterprise Content Management System have just been released.

Regressions (especially in TYPO3 v10.4.33) introduced with these releases have been fixed in TYPO3 v12.1.3, v11.5.21 and v10.4.34. Please use those versions instead.

The following TYPO3 updates have been released:

  • TYPO3 12.1.2
  • TYPO3 11.5.20 LTS
  • TYPO3 10.4.33 LTS

All versions are security releases and contain important security fixes - read the corresponding security advisories here:

Further upgrade instructions

No database upgrades are required for these security releases.


TYPO3 can be installed in various ways. For example the traditional way by using the source package at get.typo3.org or the modern way by setting up a project using composer, to name just two. Further details can be found in the according release notes: