{"id":"ALPINE-CVE-2021-30123","details":"FFmpeg \u003c=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.","modified":"2026-11-03T06:32:47.048204678Z","published":"2021-04-07T20:15:13.403Z","upstream":["CVE-2021-30123"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-30123"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/ffmpeg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}},{"package":{"name":"ffmpeg4","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/ffmpeg4?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30123.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}