Debian Linux Security Advisory 1970-1 – It was discovered that a significant memory leak could occur in openssl, related to the reinitialization of zlib. This could result in a remotely exploitable denial of service vulnerability when using the Apache httpd server in a configuration where mod_ssl, mod_php5, and the php5-curl extension are loaded.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85082/dsa-1970-1.txt
Source: https://packetstormsecurity.com/files/85082/Debian-Linux-Security-Advisory-1970-1.html