Buffer overflow in nlps_server in Sun Solaris x86 2.4, 2.5, and 2.5.1 allows remote attackers to execute arbitrary code as root via a long string beginning with "NLPS:002:002:" to the listen (aka System V listener) port, TCP port 2766.
Denial of service in Solaris TCP streams driver via a malicious connection that causes the server to panic as a result of recursive calls to mutex_enter.