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AUSCERT External Security Bulletin Redistribution
ESB-2021.2739
Security update for MozillaFirefox
13 August 2021
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AusCERT Security Bulletin Summary
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Product: MozillaFirefox
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-29989 CVE-2021-29988 CVE-2021-29986
CVE-2021-29985 CVE-2021-29984 CVE-2021-29980
Reference: ESB-2021.2734
ESB-2021.2733
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-202114782-1
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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.
Description:
This update for MozillaFirefox fixes the following issues:
Firefox Extended Support Release 78.13.0 ESR (MFSA 2021-34, bsc#1188891):
o CVE-2021-29986: Race condition when resolving DNS names could have led to
memory corruption
o CVE-2021-29988: Memory corruption as a result of incorrect style treatment
o CVE-2021-29984: Incorrect instruction reordering during JIT optimization
o CVE-2021-29980: Uninitialized memory in a canvas object could have led to
memory corruption
o CVE-2021-29985: Use-after-free media channels
o CVE-2021-29989: Memory safety bugs fixed in Firefox 91 and Firefox ESR
78.13
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:
o SUSE Linux Enterprise Server 11-SP4-LTSS:
zypper in -t patch slessp4-MozillaFirefox-14782=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-MozillaFirefox-14782=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):
MozillaFirefox-78.13.0-78.137.1
MozillaFirefox-translations-common-78.13.0-78.137.1
MozillaFirefox-translations-other-78.13.0-78.137.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (x86_64):
MozillaFirefox-debuginfo-78.13.0-78.137.1
References:
o https://www.suse.com/security/cve/CVE-2021-29980.html
o https://www.suse.com/security/cve/CVE-2021-29984.html
o https://www.suse.com/security/cve/CVE-2021-29985.html
o https://www.suse.com/security/cve/CVE-2021-29986.html
o https://www.suse.com/security/cve/CVE-2021-29988.html
o https://www.suse.com/security/cve/CVE-2021-29989.html
o https://bugzilla.suse.com/1188891
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