CVE-2012-4562: Fix multiple integer overflows in buffer-related functions.
CVE-2012-4562: Fix multiple integer overflows in buffer-related functions.

mwgoldsmith/libssh,mwgoldsmith/ssh,mwgoldsmith/ssh,mwgoldsmith/libssh,mwgoldsmith/libssh,mwgoldsmith/ssh,mwgoldsmith/ssh,mwgoldsmith/libssh