{"schema_version":"1.7.3","id":"SUSE-SU-2021:0246-1","published":"2021-01-29T12:13:47Z","modified":"2026-02-04T03:34:24.174316Z","related":["CVE-2020-26976","CVE-2021-23953","CVE-2021-23954","CVE-2021-23960","CVE-2021-23964"],"upstream":["CVE-2020-26976","CVE-2021-23953","CVE-2021-23954","CVE-2021-23960","CVE-2021-23964"],"summary":"Security update for MozillaFirefox","details":"This update for MozillaFirefox fixes the following issues:\n\n- Firefox Extended Support Release 78.7.0 ESR  (MFSA 2021-04, bsc#1181414)\n  * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests\n  * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements\n  * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been\n  * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC\n  * CVE-2021-23964: Fixed Memory safety bugs \t\n","affected":[{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15 SP1","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.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":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.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":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.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":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.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":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP1","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Manager Proxy 4.0","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%204.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Manager Retail Branch Server 4.0","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Manager Server 4.0","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Server%204.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}},{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:Enterprise Storage 6","purl":"pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%206"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-3.128.2"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-3.128.2","MozillaFirefox-devel":"78.7.0-3.128.2","MozillaFirefox-translations-common":"78.7.0-3.128.2","MozillaFirefox-translations-other":"78.7.0-3.128.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:0246-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210246-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1181414"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-26976"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-23953"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-23954"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-23960"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-23964"}]}