{"id":"ALPINE-CVE-2020-12397","details":"By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird \u003c 68.8.0.","modified":"2026-10-27T08:31:13.075958839Z","published":"2020-05-22T19:15:15.580Z","upstream":["CVE-2020-12397"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-12397"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"68.8.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2020-12397.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:N/I:L/A:N"}]}