{"schema_version":"1.7.3","id":"openSUSE-SU-2021:0223-1","published":"2021-02-01T18:15:13Z","modified":"2026-02-04T02:13:52.257823Z","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\nThis update was imported from the SUSE:SLE-15:Update update project.","affected":[{"package":{"name":"MozillaFirefox","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"78.7.0-lp152.2.43.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"78.7.0-lp152.2.43.1","MozillaFirefox-branding-upstream":"78.7.0-lp152.2.43.1","MozillaFirefox-buildsymbols":"78.7.0-lp152.2.43.1","MozillaFirefox-devel":"78.7.0-lp152.2.43.1","MozillaFirefox-translations-common":"78.7.0-lp152.2.43.1","MozillaFirefox-translations-other":"78.7.0-lp152.2.43.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0223-1.json"}}],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/52CRMXRMPMDDBTKZVMDMEO76I3JZEYGF/"},{"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"}]}