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openSUSE 15.2: 2021:0223-1 Important MozillaFirefox Security Issues

opensuse
Calendar Grey February 1, 2021
Dist Opensuse Esm H88
The latest MozillaFirefox update addresses critical security flaws, improving safe browsing for openSUSE users with essential patches applied.
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.

Topics%20covered

Topics Covered

security advisory security issue software update important memory safety important patch information leakage openSUSE web browser issues MozillaFirefox

Patch

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-2021-223=1

Package List

- openSUSE Leap 15.2 (x86_64):

MozillaFirefox-78.7.0-lp152.2.43.1

MozillaFirefox-branding-upstream-78.7.0-lp152.2.43.1

MozillaFirefox-buildsymbols-78.7.0-lp152.2.43.1

MozillaFirefox-debuginfo-78.7.0-lp152.2.43.1

MozillaFirefox-debugsource-78.7.0-lp152.2.43.1

MozillaFirefox-devel-78.7.0-lp152.2.43.1

MozillaFirefox-translations-common-78.7.0-lp152.2.43.1

MozillaFirefox-translations-other-78.7.0-lp152.2.43.1

References

https://www.suse.com/security/cve/CVE-2020-26976.html

https://www.suse.com/security/cve/CVE-2021-23953.html

https://www.suse.com/security/cve/CVE-2021-23954.html

https://www.suse.com/security/cve/CVE-2021-23960.html

https://www.suse.com/security/cve/CVE-2021-23964.html

https://bugzilla.suse.com/1181414

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0223-1
Rating: important
Affected Products: openSUSE Leap 15.2 .

Topics%20covered

Topics Covered

security advisory security issue software update important memory safety important patch information leakage openSUSE web browser issues MozillaFirefox

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