Signed integer vulnerability in libnasl in Nessus before 2.0.6 allows local users with plugin upload privileges to cause a denial of service (core dump) and possibly execute arbitrary code by causing a negative argument to be provided to the insstr function as used in a NASL script.

Multiple unknown vulnerabilities in Nessus before 2.0.6, in libnessus and possibly libnasl, a different set of vulnerabilities than those identified by CVE-2003-0372 and CVE-2003-0373, aka "similar issues in other nasl functions as well as in libnessus."