{"id":"ALPINE-CVE-2021-38495","details":"Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird \u003c 91.1 and Firefox ESR \u003c 91.1.","modified":"2026-11-03T06:32:58.639069044Z","published":"2021-11-03T01:15:07.337Z","upstream":["CVE-2021-38495"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-38495"}],"affected":[{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"firefox-esr","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/firefox-esr?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/thunderbird?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-38495.json"}},{"package":{"name":"thunderbird","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine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