NGSSoftware Insight Security Research Advisory #NISR03022004 – Adobe Acrobat Reader version 5.1 is susceptible to a buffer overflow when an xfdf file is parsed and an unsafe call to sprintf is made.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/32812/adobexfdf.txt
Source: https://packetstormsecurity.com/files/32812/adobexfdf.txt.html