Security flaw hits Windows, Mac, Linux
The problem is widespread because it affects some implementations of XDR (external data representation) libraries, used by many applications as a way of sending data from one system process to another, regardless of the system's architecture. The affected libraries are derived from Sun Microsystems' SunRPC remote procedure call technology, which has been taken up by many vendors.
The Computer Emergency Response Team warned that systems using the affected code should immediately apply patches or disable the affected services.
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