A buffer overflow has been found in zip which will lead to a buffer overflow when a user try to create a zip archive which contains very long filenames. See: http://lists.netsys.com/pipermail/full-disclosure/2004-November/028379.html attachment 106240 [details] contains the fix for this issue.
This issue should also affect FC3
The patch in attachment 106249 [details] contains a small fix over the previous patch.
Indeed, it does affect FC-3