CVE-2026-57191: asterisk: Asterisk is an open source private branch exchange and telephony toolkit

Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unbounded sscanf in respjsippubsub when parsing the MWI NOTIFY Message-Account field may allow an unauthenticated attack...