{"action":"Upgrade gnutls to 3.7.1-r0 or later.","affected":[{"fixed":"3.7.1-r0","introduced":"3.6.3"}],"component":"gnutls","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["3.7.1-r0"],"id":"tcs_01M5NCWVB8Z2N8RHTJDBQTGK8J","modified_at":"2026-10-23T17:17:56.141404390Z","published_at":"2021-03-12T19:15:13.037Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-20231","https://security.alpinelinux.org/vuln/CVE-2021-20231"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-20231#Alpine:v3.17/gnutls","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-20231"}],"summary":"A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences."}