Is this TSA patch OK with NetWare 6.5sp4a OES?

NOVELL TECHNICAL INFORMATION DOCUMENT

TITLE: TSA5UP18.EXE
TID #: 2971717
README FOR: tsa5up18.exe

SUPERSEDES:
tsa5up17.exe

NOVELL PRODUCTS and VERSIONS:
NetWare 5.1
NetWare 6
NetWare 6.5