The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: asterisk
CVE-2006-1827 Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.
Solution: Update your system with the appropriate patches or software upgrades.