SUSE 5181 Published by

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



openSUSE-SU-2021:3745-1: important: Security update for MozillaFirefox


openSUSE Security Update: Security update for MozillaFirefox
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Announcement ID: openSUSE-SU-2021:3745-1
Rating: important
References: #1192250
Cross-References: CVE-2021-38503 CVE-2021-38504 CVE-2021-38505
CVE-2021-38506 CVE-2021-38507 CVE-2021-38508
CVE-2021-38509 CVE-2021-38510
Affected Products:
openSUSE Leap 15.3
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An update that fixes 8 vulnerabilities is now available.

Description:

This update for MozillaFirefox fixes the following issues:

MozillaFirefox was updated to Extended Support Release 91.3.0 ESR

* Fixed: Various stability, functionality, and security fixes

MFSA 2021-49 (bsc#1192250)

* CVE-2021-38503: iframe sandbox rules did not apply to XSLT stylesheets
* CVE-2021-38504: Use-after-free in file picker dialog
* CVE-2021-38505: Windows 10 Cloud Clipboard may have recorded sensitive
user data
* CVE-2021-38506: Firefox could be coaxed into going into fullscreen
mode without notification or warning
* CVE-2021-38507: Opportunistic Encryption in HTTP2 could be used to
bypass the Same-Origin-Policy on services hosted on other ports
* CVE-2021-38508: Permission Prompt could be overlaid, resulting in user
confusion and potential spoofing
* CVE-2021-38509: Javascript alert box could have been spoofed onto an
arbitrary domain
* CVE-2021-38510: Download Protections were bypassed by .inetloc files
on Mac OS
* MOZ-2021-0008: Use-after-free in HTTP2 Session object
* MOZ-2021-0007: Memory safety bugs fixed in Firefox 94 and Firefox ESR
91.3

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-15.3-2021-3745=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

MozillaFirefox-91.3.0-152.6.1
MozillaFirefox-branding-upstream-91.3.0-152.6.1
MozillaFirefox-debuginfo-91.3.0-152.6.1
MozillaFirefox-debugsource-91.3.0-152.6.1
MozillaFirefox-devel-91.3.0-152.6.1
MozillaFirefox-translations-common-91.3.0-152.6.1
MozillaFirefox-translations-other-91.3.0-152.6.1

References:

  https://www.suse.com/security/cve/CVE-2021-38503.html
  https://www.suse.com/security/cve/CVE-2021-38504.html
  https://www.suse.com/security/cve/CVE-2021-38505.html
  https://www.suse.com/security/cve/CVE-2021-38506.html
  https://www.suse.com/security/cve/CVE-2021-38507.html
  https://www.suse.com/security/cve/CVE-2021-38508.html
  https://www.suse.com/security/cve/CVE-2021-38509.html
  https://www.suse.com/security/cve/CVE-2021-38510.html
  https://bugzilla.suse.com/1192250