SUSE-SU-2021:14782-1: important: Security update for MozillaFirefox

sle-security-updates at sle-security-updates at
Thu Aug 12 16:29:12 UTC 2021

   SUSE Security Update: Security update for MozillaFirefox

Announcement ID:    SUSE-SU-2021:14782-1
Rating:             important
References:         #1188891 
Cross-References:   CVE-2021-29980 CVE-2021-29984 CVE-2021-29985
                    CVE-2021-29986 CVE-2021-29988 CVE-2021-29989
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Debuginfo 11-SP4

   An update that fixes 6 vulnerabilities is now available.


   This update for MozillaFirefox fixes the following issues:

   Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891):

   - CVE-2021-29986: Race condition when resolving DNS names could have led
     to memory corruption
   - CVE-2021-29988: Memory corruption as a result of incorrect style
   - CVE-2021-29984: Incorrect instruction reordering during JIT optimization
   - CVE-2021-29980: Uninitialized memory in a canvas object could have led
     to memory corruption
   - CVE-2021-29985: Use-after-free media channels
   - CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR

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-14782=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-MozillaFirefox-14782=1

Package List:

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


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



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