CVE-2009-5018 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-5018): Stack-based buffer overflow in gif2png.c in gif2png 2.5.3 and earlier might allow context-dependent attackers to execute arbitrary code via a long command-line argument, as demonstrated by a CGI program that launches gif2png.
*** This bug has been marked as a duplicate of bug 346501 ***