{"id":"RLSA-2021:2883","summary":"Important: thunderbird security update","details":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nThis update upgrades Thunderbird to version 78.12.0.\n\nSecurity Fix(es):\n\n* Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed (CVE-2021-29969)\n\n* Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)\n\n* Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)\n\n* chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-04T13:00:07.894148Z","published":"2021-07-26T10:57:37Z","upstream":["CVE-2021-29969","CVE-2021-29970","CVE-2021-29976","CVE-2021-30547"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:2883"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970109"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1982013"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1982014"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1982015"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:78.12.0-3.el8_4"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:2883.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}