A new update is available for Fedora Core - Fedora Core 4 Update: file-4.15-fc4.1. Here the announcement:

Fedora Update Notification
FEDORA-2005-866
2005-09-09
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Product : Fedora Core 4
Name : file
Version : 4.15
Release : fc4.1
Summary : A utility for determining file types.
Description :
The file command is used to identify a file according to the type of
data it contains. File can identify many different file types,
including ELF binaries, system libraries, RPM packages, and different
graphics formats.

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Update Information:

Several bug fixes and new magics.
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* Thu Sep 8 2005 Radek Vokal <rvokal@redhat.com> - 4.15-fc4.1
- upgrade to file-4.15


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This update can be downloaded from:
http://download.fedora.redhat.com/pub/fedora/linux/core/updates/4/

2669ea28745bbe7a1b33acce87a8ce35 SRPMS/file-4.15-fc4.1.src.rpm
8062ce2cba8e5b445814916b832edaf3 ppc/file-4.15-fc4.1.ppc.rpm
b073766fab42a8c30d58cb050f2b3dd4 ppc/debug/file-debuginfo-4.15-fc4.1.ppc.rpm
c35348b59af3660044648bddf677a08d x86_64/file-4.15-fc4.1.x86_64.rpm
aebd8fd8a9f34b83825d230627b6adce x86_64/debug/file-debuginfo-4.15-fc4.1.x86_64.rpm
3892c1b96a3e299a079ed7918b270b03 i386/file-4.15-fc4.1.i386.rpm
c71cc3b842662a1514439a0cd559fd9d i386/debug/file-debuginfo-4.15-fc4.1.i386.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.