{"schema_version":"1.7.3","id":"SUSE-SU-2021:3995-1","published":"2021-12-10T16:32:12Z","modified":"2026-02-04T03:42:32.210424Z","related":["CVE-2021-43536","CVE-2021-43537","CVE-2021-43538","CVE-2021-43539","CVE-2021-43541","CVE-2021-43542","CVE-2021-43543","CVE-2021-43545","CVE-2021-43546"],"upstream":["CVE-2021-43536","CVE-2021-43537","CVE-2021-43538","CVE-2021-43539","CVE-2021-43541","CVE-2021-43542","CVE-2021-43543","CVE-2021-43545","CVE-2021-43546"],"summary":"Security update for MozillaFirefox","details":"This update for MozillaFirefox fixes the following issues:\n\n\nUpdate to Extended Support Release 91.4.0 (bsc#1193485):\n\n- CVE-2021-43536: URL leakage when navigating while executing asynchronous function\n- CVE-2021-43537: Heap buffer overflow when using structured clone\n- CVE-2021-43538: Missing fullscreen and pointer lock notification when requesting both\n- CVE-2021-43539: GC rooting failure when calling wasm instance methods\n- CVE-2021-43541: External protocol handler parameters were unescaped\n- CVE-2021-43542: XMLHttpRequest error codes could have leaked the existence of an external protocol handler\n- CVE-2021-43543: Bypass of CSP sandbox directive when embedding\n- CVE-2021-43545: Denial of Service when using the Location API in a loop\n- CVE-2021-43546: Cursor spoofing could overlay user interface when native cursor is zoomed\n- Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4\n- Removed x-scheme-handler/ftp from MozillaFirefox.desktop (bsc#1193321)\n","affected":[{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15-ESPOS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15-LTSS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server 15-LTSS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-BCL","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-LTSS","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 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6","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.4.0-150.9.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.4.0-150.9.1","MozillaFirefox-devel":"91.4.0-150.9.1","MozillaFirefox-translations-common":"91.4.0-150.9.1","MozillaFirefox-translations-other":"91.4.0-150.9.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3995-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213995-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1193321"},{"type":"REPORT","url":"https://bugzilla.suse.com/1193485"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43536"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43537"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43538"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43539"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43541"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43542"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43543"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43545"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-43546"}]}