A vulnerability in bogofilter/bogolexer causes a segmentation fault due to malformed input.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34896/bogofilter-SA-2004-01.txt
Source: https://packetstormsecurity.com/files/34896/bogofilter-SA-2004-01.txt.html