openSUSE Security Update: Security update for MozillaFirefox ______________________________________________________________________________ Announcement ID: openSUSE-SU-2021:3745-1 Rating: important References: #1192250 Cross-References: CVE-2021-38503 CVE-2021-38504 CVE-2021-38505 CVE-2021-38506 CVE-2021-38507 CVE-2021-38508 CVE-2021-38509 CVE-2021-38510 Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________ An update that fixes 8 vulnerabilities is now available. Description: This update for MozillaFirefox fixes the following issues: MozillaFirefox was updated to Extended Support Release 91.3.0 ESR * Fixed: Various stability, functionality, and security fixes MFSA 2021-49 (bsc#1192250) * CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets * CVE-2021-38504: Use-after-free in file picker dialog * CVE-2021-38505: Windows 10 Cloud Clipboard may have recorded sensitive user data * CVE-2021-38506: Firefox could be coaxed into going into fullscreen mode without notification or warning * CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports * CVE-2021-38508: Permission Prompt could be overlaid, resulting in user confusion and potential spoofing * CVE-2021-38509: Javascript alert box could have been spoofed onto an arbitrary domain * CVE-2021-38510: Download Protections were bypassed by .inetloc files on Mac OS * MOZ-2021-0008: Use-after-free in HTTP2 Session object * MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.3: zypper in -t patch openSUSE-SLE-15.3-2021-3745=1 Package List: - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64): MozillaFirefox-91.3.0-152.6.1 MozillaFirefox-branding-upstream-91.3.0-152.6.1 MozillaFirefox-debuginfo-91.3.0-152.6.1 MozillaFirefox-debugsource-91.3.0-152.6.1 MozillaFirefox-devel-91.3.0-152.6.1 MozillaFirefox-translations-common-91.3.0-152.6.1 MozillaFirefox-translations-other-91.3.0-152.6.1 References: https://www.suse.com/security/cve/CVE-2021-38503.html https://www.suse.com/security/cve/CVE-2021-38504.html https://www.suse.com/security/cve/CVE-2021-38505.html https://www.suse.com/security/cve/CVE-2021-38506.html https://www.suse.com/security/cve/CVE-2021-38507.html https://www.suse.com/security/cve/CVE-2021-38508.html https://www.suse.com/security/cve/CVE-2021-38509.html https://www.suse.com/security/cve/CVE-2021-38510.html https://bugzilla.suse.com/1192250