Multiple stack-based buffer overflows in the Spooler service (nwspool.dll) in Novell Client 4.91 SP4 for Windows allow remote attackers to execute arbitrary code via long arguments to multiple unspecified RPC functions, aka Novell bug 287919, a different vulnerability than CVE-2007-2954.
建议您更新当前系统或软件至最新版，完成漏洞的修复。