Mandriva Linux Security Advisory MDKSA-2006:228: A “stack overwrite” vulnerability in GnuPG (gpg) allows attackers to execute arbitrary code via crafted OpenPGP packets that cause GnuPG to dereference a function pointer from deallocated stack memory.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53025/MDKSA-2006-228.txt
Source: https://packetstormsecurity.com/files/53025/Mandriva-Linux-Security-Advisory-2006.228.html