{"id":"openSUSE-SU-2021:3745-1","summary":"Security update for MozillaFirefox","details":"This update for MozillaFirefox fixes the following issues:\n\nMozillaFirefox was updated to Extended Support Release 91.3.0 ESR\n\n* Fixed: Various stability, functionality, and security fixes\n\nMFSA 2021-49 (bsc#1192250)\n\n  * CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets\n  * CVE-2021-38504: Use-after-free in file picker dialog\n  * CVE-2021-38505: Windows 10 Cloud Clipboard may have recorded sensitive user data\n  * CVE-2021-38506: Firefox could be coaxed into going into fullscreen mode without notification or warning\n  * CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports\n  * CVE-2021-38508: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing\n  * CVE-2021-38509: Javascript alert box could have been spoofed onto an arbitrary domain\n  * CVE-2021-38510: Download Protections were bypassed by .inetloc files on Mac OS\n  * MOZ-2021-0008: Use-after-free in HTTP2 Session object\n  * MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3\n","modified":"2026-02-04T02:27:45.196290Z","published":"2021-11-19T16:13:50Z","related":["CVE-2021-38503","CVE-2021-38504","CVE-2021-38505","CVE-2021-38506","CVE-2021-38507","CVE-2021-38508","CVE-2021-38509","CVE-2021-38510"],"upstream":["CVE-2021-38503","CVE-2021-38504","CVE-2021-38505","CVE-2021-38506","CVE-2021-38507","CVE-2021-38508","CVE-2021-38509","CVE-2021-38510"],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/HANTLKSTN557DZ2MTOXFS2TQFKRJMZNC/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1192250"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38503"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38504"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38505"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38506"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38507"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38508"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38509"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-38510"}],"affected":[{"package":{"name":"MozillaFirefox","ecosystem":"openSUSE:Leap 15.3","purl":"pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"91.3.0-152.6.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox":"91.3.0-152.6.1","MozillaFirefox-translations-common":"91.3.0-152.6.1","MozillaFirefox-branding-upstream":"91.3.0-152.6.1","MozillaFirefox-devel":"91.3.0-152.6.1","MozillaFirefox-translations-other":"91.3.0-152.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:3745-1.json"}}],"schema_version":"1.7.3"}