Secunia Security Advisory – SCO has issued an update for zlib. This fixes some vulnerabilities, which can be exploited by malicious people to conduct a DoS (Denial of Service) against a vulnerable application or potentially execute arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42999/sa18377.txt
Source: https://packetstormsecurity.com/files/42999/Secunia-Security-Advisory-18377.html