Secunia Security Advisory – Aliaksandr Hartsuyeu has reported two vulnerabilities in PHP iCalendar, which can be exploited by malicious people to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43690/sa18778.txt
Source: https://packetstormsecurity.com/files/43690/Secunia-Security-Advisory-18778.html