Although an exploit is not known, attackers may be able to execute arbitrary code on the local machine as the user running netscape, or at the very least cause the netscape binary to crash. The Java Virtual Machine implementation has security vulnerabilities allowing a remote user to read the contents of local files accessible to the user running netscape, and to allow these files to be transmitted to any user on the internet. The ports collections shipped with FreeBSD 3.5 and 4.1 are vulnerable to these problems. Impact Remote users can read files on the local system accessible to the user running netscape, if java is enabled, and may be able to execute arbitrary code on the local system as that user. Upgrade your entire ports collection and rebuild the relevant netscape port.
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