The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://lists.gnupg.org/pipermail/gnupg-devel/2003-November/020570.html http://www.vuxml.org/freebsd/81313647-2d03-11d8-9355-0020ed76ef5a.html

The following package is affected: gnupg CVE-2003-0971 GnuPG (GPG) 1.0.2, and other versions up to 1.2.3, creates ElGamal sign+encrypt keys using the same key component for encryption as for signing, which allows attackers to determine the private key from a signature.