The remote host is missing an update to openoffice.org announced via advisory DSA 1307-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201307-1

John Heasman discovered a heap overflow in the routines of OpenOffice.org that parse RTF files. A specially crafted RTF file could cause the filter to overwrite data on the heap, which may lead to the execution of arbitrary code. For the old stable distribution (sarge) this problem has been fixed in version 1.1.3-9sarge7. For the stable distribution (etch) this problem has been fixed in version 2.0.4.dfsg.2-7etch1. For the unstable distribution (sid) this problem has been fixed in version 2.2.1~rc1-1. We recommend that you upgrade your openoffice.org packages.