{"id":"ALPINE-CVE-2021-4188","details":"mruby is vulnerable to NULL Pointer Dereference","modified":"2026-11-03T06:32:41.505153502Z","published":"2021-12-30T07:15:06.527Z","upstream":["CVE-2021-4188"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-4188"}],"affected":[{"package":{"name":"mruby","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}},{"package":{"name":"mruby","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/mruby?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-4188.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}