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suseSuseOPENSUSE-SU-2021:0222-1
HistoryFeb 01, 2021 - 12:00 a.m.

Security update for MozillaFirefox (important)

2021-02-0100:00:00
lists.opensuse.org
16

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

An update that fixes 5 vulnerabilities is now available.

Description:

This update for MozillaFirefox fixes the following issues:

  • Firefox Extended Support Release 78.7.0 ESR (MFSA 2021-04, bsc#1181414)
    • CVE-2021-23953: Fixed a Cross-origin information leakage via
      redirected PDF requests
    • CVE-2021-23954: Fixed a type confusion when using logical assignment
      operators in JavaScript switch statements
    • CVE-2020-26976: Fixed an issue where HTTPS pages could have been
      intercepted by a registered service worker when they should not have
      been
    • CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared
      JavaScript variables during GC
    • CVE-2021-23964: Fixed Memory safety bugs

This update was imported from the SUSE:SLE-15: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 15.1:

    zypper in -t patch openSUSE-2021-222=1

OSVersionArchitecturePackageVersionFilename
openSUSE Leap15.1x86_64< - openSUSE Leap 15.1 (x86_64):- openSUSE Leap 15.1 (x86_64):.x86_64.rpm

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P