A new update is available for Fedora Core - Fedora Core 4 Update: xterm-207-2.FC4. Here the announcement:

Fedora Update Notification
FEDORA-2006-1192
2006-01-09
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Product : Fedora Core 4
Name : xterm
Version : 207
Release : 2.FC4
Summary : xterm terminal emulator for the X Window System
Description :
The xterm program is a terminal emulator for the X Window System. It
provides DEC VT102 and Tektronix 4014 compatible terminals for
programs that can't use the window system directly.

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* Wed Dec 21 2005 Jason Vas Dias <jvdias@redhat.com> - 207-2.FC4
- Fix bug 164210: tek4014 support should be enabled by default
- Fix bug 175684: compile with --enable-256-color


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

8160b8357c584a2e45d21d81b1320e76 SRPMS/xterm-207-2.FC4.src.rpm
3406589571dbd45742a09dcff9b7393d ppc/xterm-207-2.FC4.ppc.rpm
bf3eecbeaf1f1f7fc9fca98bdec91fe7 ppc/debug/xterm-debuginfo-207-2.FC4.ppc.rpm
459239f5e3befd888c73d48c5ff8ea97 x86_64/xterm-207-2.FC4.x86_64.rpm
d1ea6bdd2abd15860614f5b5746f8ea3 x86_64/debug/xterm-debuginfo-207-2.FC4.x86_64.rpm
35afa69301d24379c70cad95f52dee75 i386/xterm-207-2.FC4.i386.rpm
848debfc63bdcf25c8a4b82ff399a71e i386/debug/xterm-debuginfo-207-2.FC4.i386.rpm

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