A MozillaFirefox security update has been released for openSUSE Leap 15.2.

openSUSE-SU-2021:0858-1: important: Security update for MozillaFirefox

openSUSE Security Update: Security update for MozillaFirefox
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Announcement ID: openSUSE-SU-2021:0858-1
Rating: important
References: #1185633 #1186696
Cross-References: CVE-2021-29951 CVE-2021-29964 CVE-2021-29967

CVSS scores:
CVE-2021-29951 (SUSE): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Products:
openSUSE Leap 15.2
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An update that fixes three vulnerabilities is now available.

Description:

This update for MozillaFirefox fixes the following issues:

Firefox Extended Support Release 78.11.0 ESR (bsc#1186696)

* CVE-2021-29964: Out of bounds-read when parsing a `WM_COPYDATA` message
* CVE-2021-29967: Memory safety bugs fixed in Firefox

This update was imported from the SUSE:SLE-15-SP2:Update update project.

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 15.2:

zypper in -t patch openSUSE-2021-858=1


Package List:

- openSUSE Leap 15.2 (x86_64):

MozillaFirefox-78.11.0-lp152.2.58.1
MozillaFirefox-branding-upstream-78.11.0-lp152.2.58.1
MozillaFirefox-buildsymbols-78.11.0-lp152.2.58.1
MozillaFirefox-debuginfo-78.11.0-lp152.2.58.1
MozillaFirefox-debugsource-78.11.0-lp152.2.58.1
MozillaFirefox-devel-78.11.0-lp152.2.58.1
MozillaFirefox-translations-common-78.11.0-lp152.2.58.1
MozillaFirefox-translations-other-78.11.0-lp152.2.58.1

References:

  https://www.suse.com/security/cve/CVE-2021-29951.html
  https://www.suse.com/security/cve/CVE-2021-29964.html
  https://www.suse.com/security/cve/CVE-2021-29967.html
  https://bugzilla.suse.com/1185633
  https://bugzilla.suse.com/1186696