A MozillaFirefox security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2774-1: important: Security update for MozillaFirefox

openSUSE Security Update: Security update for MozillaFirefox
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Announcement ID: openSUSE-SU-2021:2774-1
Rating: important
References: #1188891 SLE-18626
Cross-References: CVE-2021-29980 CVE-2021-29984 CVE-2021-29985
CVE-2021-29986 CVE-2021-29988 CVE-2021-29989

Affected Products:
openSUSE Leap 15.3
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An update that fixes 6 vulnerabilities, contains one
feature 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):

- 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
treatment
- 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
78.13

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-15.3-2021-2774=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

MozillaFirefox-78.13.0-8.49.1
MozillaFirefox-branding-upstream-78.13.0-8.49.1
MozillaFirefox-debuginfo-78.13.0-8.49.1
MozillaFirefox-debugsource-78.13.0-8.49.1
MozillaFirefox-devel-78.13.0-8.49.1
MozillaFirefox-translations-common-78.13.0-8.49.1
MozillaFirefox-translations-other-78.13.0-8.49.1

- openSUSE Leap 15.3 (x86_64):

MozillaFirefox-buildsymbols-78.13.0-8.49.1

References:

  https://www.suse.com/security/cve/CVE-2021-29980.html
  https://www.suse.com/security/cve/CVE-2021-29984.html
  https://www.suse.com/security/cve/CVE-2021-29985.html
  https://www.suse.com/security/cve/CVE-2021-29986.html
  https://www.suse.com/security/cve/CVE-2021-29988.html
  https://www.suse.com/security/cve/CVE-2021-29989.html
  https://bugzilla.suse.com/1188891