Alle Infos und Details zum Typo3 Update gibt es hier:
TYPO3-CORE-SA-2016-023: Insecure Unserialize in TYPO3 Backend https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-023/
TYPO3-CORE-SA-2016-024: Path Traversal in TYPO3 Core https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-024/
Happy updating