---
title: TYPO3 13.4.18 and 12.4.37 security releases published
url: "https://news.typo3.com/article/typo3-13418-and-12437-security-releases-published"
description: The versions 13.4.18 and 12.4.37 of the TYPO3 Enterprise Content Management System have just been released.
image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg"
date: 2026-06-11
modified: 2026-06-11
categories:
  - "Developer & Technology"
  - "Product Updates & Roadmap"
---

# TYPO3 13.4.18 and 12.4.37 security releases published

- [Developer & Technology](https://news.typo3.com/article/category/developer-technology)
- [Product Updates & Roadmap](https://news.typo3.com/article/category/product-updates-roadmap)

TYPO3 13.4.18 and 12.4.37 security releases published
=====================================================

09 September 2025

The versions 13.4.18 and 12.4.37 of the TYPO3 Enterprise Content Management System have just been released.

- ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/b8266fdc667b773926c59081862ab148.jpeg)[Oliver Hader](https://news.typo3.com/article/author/oliver-hader)

The following TYPO3 updates have been released:

- TYPO3 13.4.18 LTS
- TYPO3 12.4.37 LTS

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

- <https://typo3.org/security/advisory/typo3-core-sa-2025-017>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-018>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-019>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-020>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-021>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-022>
- <https://typo3.org/security/advisory/typo3-core-sa-2025-023>

### Further upgrade instructions

No database upgrades are required for these security releases.

### Download

TYPO3 can be installed in various ways. For example the traditional way by using the source package at [get.typo3.org](https://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:

- <https://get.typo3.org/release-notes/13.4.18>
- <https://get.typo3.org/release-notes/12.4.37>

![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/cc7cba9757f98fbe05023a139119df74.jpeg)

About the Author

[Oliver Hader](https://news.typo3.com/article/author/oliver-hader)

Core Developer at TYPO3 GmbH,Hof, Germany

[Website](https://typo3.com)[Twitter](https://twitter.com/ohader)[LinkedIn](https://www.linkedin.com/in/oliverhader/)[Xing](https://www.xing.com/profile/Oliver_Hader)

Oliver started to work with TYPO3 in 2005 and was fascinated by the product and its universe. Since 2007 he is member of the TYPO3 Core Team. After going back to university in 2014 for achieving a postgraduate master degree in internet web science, he is now researching on advanced web technology topics in general and for TYPO3 in particular.

In his spare time, Oliver loves to go cycling cross-country in the uplands around Hof (Germany) in northern Bavaria - at the region where he's living as well.

[More posts by this author](https://news.typo3.com/article/author/oliver-hader)