Format string vulnerability in Gnu Privacy Guard (aka GnuPG or gpg) 1.05 and earlier can allow an attacker to gain privileges via format strings in the original filename that is stored in an encrypted file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6642
http://www.turbolinux.com/pipermail/tl-security-announce/2001-June/000439.html
http://www.securityfocus.com/bid/2797
http://www.redhat.com/support/errata/RHSA-2001-073.html
http://www.novell.com/linux/security/advisories/2001_020_gpg_txt.html
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-053.php3
http://www.kb.cert.org/vuls/id/403051
http://www.gnupg.org/whatsnew.html#rn20010529
http://www.debian.org/security/2001/dsa-061
http://www.calderasystems.com/support/security/advisories/CSSA-2001-020.0.txt
http://online.securityfocus.com/archive/1/188218
http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-023-01
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000399