The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://www.gentoo.org/security/en/glsa/glsa-200410-29.xml http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ssh2-debug.html http://marc.theaimsgroup.com/?l=bugtraq&m=109890310929207 http://www.vuxml.org/freebsd/19518d22-2d05-11d9-8943-0050fc56d258.html

The following package is affected: putty An integer signedness error in the ssh2_rdpkt function in PuTTY allows remote attackers to execute arbitrary code via a SSH2_MSG_DEBUG packet with a modified stringlen parameter, which leads to a buffer overflow.