OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code.
http://www.securityfocus.com/bid/5364
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-046.php
http://www.kb.cert.org/vuls/id/308891
http://www.cert.org/advisories/CA-2002-23.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000513