{"id":"ALPINE-CVE-2021-3121","details":"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.","modified":"2026-08-27T22:18:01.608587520Z","published":"2021-01-11T06:15:13.460Z","upstream":["CVE-2021-3121"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-3121"}],"affected":[{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}},{"package":{"name":"protobuf-c","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/protobuf-c?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3121.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"}]}