{"action":"Upgrade protobuf-c to 1.3.2-r0 or later.","affected":[{"fixed":"1.3.2-r0","introduced":"0"}],"component":"protobuf-c","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["1.3.2-r0"],"id":"tcs_01M5ND6D563DNG3NRYXS09AT49","modified_at":"2026-10-23T17:17:56.183825741Z","published_at":"2021-01-11T06:15:13.460Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-3121","https://security.alpinelinux.org/vuln/CVE-2021-3121"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-3121#Alpine:v3.21/protobuf-c","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-3121"}],"summary":"An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the \"skippy peanut butter\" issue."}