{"id":"ALPINE-CVE-2020-15666","details":"When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox \u003c 80 and Firefox for Android \u003c 80.","modified":"2026-11-03T06:31:41.056920599Z","published":"2020-10-01T19:15:13.203Z","upstream":["CVE-2020-15666"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-15666"}],"affected":[{"package":{"name":"firefox","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"firefox","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/firefox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-15666.json"}},{"package":{"name":"librewolf","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/librewolf?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"80.0-r0"}]}],"ecosystem_specific":{},"data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