Frank Nägler authored Mar 16, 2021 and Oliver Hader committed Mar 16, 2021

To prevent DoS attacks by using page-based error handling, the
content of the error page is now cached, this prevents fetching
the content of the error pages again and again.

Resolves: #88824
Releases: master, 11.1, 10.4, 9.5
Change-Id: I6dea5200dc710a182b66deedfbeb2110ea829117
Security-Bulletin: TYPO3-CORE-SA-2021-005
Security-References: CVE-2021-21359
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/68415


Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>