SUSE-SU-2021:14859-1: important: Security update for MozillaFirefox

sle-updates at sle-updates at
Fri Dec 10 20:29:36 UTC 2021

   SUSE Security Update: Security update for MozillaFirefox

Announcement ID:    SUSE-SU-2021:14859-1
Rating:             important
References:         #1193321 #1193485 
Cross-References:   CVE-2021-43536 CVE-2021-43537 CVE-2021-43538
                    CVE-2021-43539 CVE-2021-43541 CVE-2021-43542
                    CVE-2021-43543 CVE-2021-43545 CVE-2021-43546
CVSS scores:
                    CVE-2021-43537 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
                    CVE-2021-43541 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
                    CVE-2021-43542 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Debuginfo 11-SP4

   An update that fixes 9 vulnerabilities is now available.


   This update for MozillaFirefox fixes the following issues:

   Update to Extended Support Release 91.4.0 (bsc#1193485):

   - CVE-2021-43536: URL leakage when navigating while executing asynchronous
   - CVE-2021-43537: Heap buffer overflow when using structured clone
   - CVE-2021-43538: Missing fullscreen and pointer lock notification when
     requesting both
   - CVE-2021-43539: GC rooting failure when calling wasm instance methods
   - CVE-2021-43541: External protocol handler parameters were unescaped
   - CVE-2021-43542: XMLHttpRequest error codes could have leaked the
     existence of an external protocol handler
   - CVE-2021-43543: Bypass of CSP sandbox directive when embedding
   - CVE-2021-43545: Denial of Service when using the Location API in a loop
   - CVE-2021-43546: Cursor spoofing could overlay user interface when native
     cursor is zoomed
   - Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
   - Removed x-scheme-handler/ftp from MozillaFirefox.desktop (bsc#1193321)

Patch Instructions:

   To install this SUSE 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:

   - SUSE Linux Enterprise Server 11-SP4-LTSS:

      zypper in -t patch slessp4-MozillaFirefox-14859=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-MozillaFirefox-14859=1

Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):


   - SUSE Linux Enterprise Debuginfo 11-SP4 (x86_64):



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