{"action":"Upgrade asterisk to 18.1.1-r0 or later.","affected":[{"fixed":"18.1.1-r0","introduced":"13.0.0"}],"component":"asterisk","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["18.1.1-r0"],"id":"tcs_01M5NCNPTEWEGVTG2AWSZPJA2F","modified_at":"2026-10-26T11:17:55.173861190Z","published_at":"2021-02-18T20:15:12.447Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-35776","https://security.alpinelinux.org/vuln/CVE-2020-35776"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-35776#Alpine:v3.13/asterisk","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-35776"}],"summary":"A buffer overflow in res_pjsip_diversion.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."}