Buffer overflow

A buffer overflow in respjsipdiversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses...

FreeBSD : asterisk -- Remote crash in res_pjsip_diversion (6adf6ce0-44a6-11eb-95b7-001999f8d30b)

The Asterisk project reports : AST-2020-003: A crash can occur in Asterisk when a SIP message is received that has a History-Info header, which contains a tel-uri. AST-2020-004: A crash can occur in Asterisk when a SIP 181 response is received that has a Diversion header, which contains a tel-uri...