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