{"action":"Upgrade asterisk to 18.20.2-r0 or later.","affected":[{"fixed":"18.20.2-r0","introduced":"0"}],"component":"asterisk","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["18.20.2-r0"],"id":"tcs_01M5NDTQAHW56XP4HKPDS1DP88","modified_at":"2026-10-15T07:17:54.166605127Z","published_at":"2022-12-20T19:15:24.663Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-23537","https://security.alpinelinux.org/vuln/CVE-2022-23537"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-23537#Alpine:v3.18/asterisk","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-23537"}],"summary":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible whe"}