{"action":"Upgrade asterisk to 18.2.1-r0 or later.","affected":[{"fixed":"18.2.1-r0","introduced":"13.0.0"}],"component":"asterisk","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["18.2.1-r0"],"id":"tcs_01M5ND1PC1S4HR0MR7SCQAAYTP","modified_at":"2026-10-23T17:17:56.163171550Z","published_at":"2021-02-18T21:15:11.447Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-26712","https://security.alpinelinux.org/vuln/CVE-2021-26712"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-26712#Alpine:v3.21/asterisk","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-26712"}],"summary":"Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secu"}