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.


   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

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):