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[OpenBSD2000] OpenBSD Security Advisory: Single-byte buffer overflow vulnerability in ftpd, 18.12.2000. Bezugsquelle: http://www.openbsd.org/advisories/ftpd_replydirname.txt, (Stand: März 2003).
[PaX] README-Paper von der PaX-Webseite. Bezugsquelle: http://page-exec.virtualave.net, (Stand: Dezember 2002).