Secunia Security Advisory – Debian has issued an update for php-json-ext. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/76882/sa34770.txt
Source: https://packetstormsecurity.com/files/76882/Secunia-Security-Advisory-34770.html