TYPO3 8.3.1

Release Notes

Version 8.3.1

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Release Notes for TYPO3 CMS 8.3.1

This document contains information about TYPO3 CMS 8.3.1 which was released on September 13th, 2016.


This release is a combined bug fix and security release.


Find more details in the security bulletins:



MD5 checksums

2a307d91f6f19a76f62216da0d3b0318  typo3_src-8.3.1.tar.gz
227df291f3c36098cf95c3ca840aee47  typo3_src-8.3.1.zip

SHA256 checksums

5fccfa52bc546d8605c40cf69d51a43b06368eaf2119b9fb9cfffb1120bd51be  typo3_src-8.3.1.tar.gz
e2f07e4fd37a989a21ced7be149dcc73ce73d976b639613084060c7e845c8889  typo3_src-8.3.1.zip


The usual upgrading procedure applies. No database updates are necessary.\ It might be required to clear all caches; the “important actions” section in the TYPO3 Install Tool offers the accordant possibility to do so.


Here is a list of what was fixed since [8.3.0](TYPO3_CMS_8.3.0 "wikilink"):

aa61633 [RELEASE] Release of TYPO3 8.3.1
3cdc329 [!!!][SECURITY] Mitigate potential cache flooding
3ebce66 [SECURITY] Fix select_key XSS in PageLayoutView

Package Signatures

TYPO3 Release Packages (the downloadable tarballs and zip files) as well as Git tags are signed using PGP signatures during the automated release process. Besides that, MD5 and SHA2-256 hashes are being generated for these files. Find more details on verifying signatures and hashes in the infrastructure guide.

Download GPG signed release README.md file

Example of verifying integrity of tar.gz package of current release:

wget --content-disposition https://get.typo3.org/8.3.1/tar.gz
wget --content-disposition https://get.typo3.org/8.3.1/tar.gz.sig
gpg --verify typo3_src-8.3.1.tar.gz.sig typo3_src-8.3.1.tar.gz