Mon. 14th November, 2005
Under special circumstances, setting config.baseURL (see typo3.org/documentation/document-library/doc_core_tsref/quot_CONFIG_quot/ ) to a numeric value ("1") could be used to spoof a malicious baseURL into your TYPO3 cache. It has now been decided to technically prevent this misconfiguration.
This is a companion discussion topic for the original entry at https://new.typo3.org/article/typo3-security-bulletin-24/