Thanks AGW83 mailing us this.
id Software has released a new patch for Quake III Arena, continuing support for their multiplayer first-person shooter with an upgrade to version 1.32. This release adds the PunkBuster anti-cheat software, networking improvements, console enhancements, renderer fixes and other changes, and is available for Windows and Linux. You can also upgrade via the auto-updater.
News source: 3DGamers
Download: Q3A v1.32 (28.1Mb) win32 @ 3DGamers
Download: Q3A v1.32 (28.1Mb) win32 @ ID Software
Download: Q3A v1.32 (28.1Mb) linux @ ID Software