An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the imsregistrarpcscf module, specifically the pcscfsavepending/savepending path and security-agreement parsing in secagree.c:parsesecagree()
An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the IMS P-CSCF registration handling components