Firefox: CVSS (Max): None

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.5821
                    USN-5709-2: Firefox vulnerabilities
                             11 November 2022

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Firefox
Publisher:         Ubuntu
Operating System:  Ubuntu
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-42932 CVE-2022-42931 CVE-2022-42930
                   CVE-2022-42929 CVE-2022-42928 CVE-2022-42927

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5709-2

Comment: CVSS (Max):  None available when published

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USN-5709-2: Firefox vulnerabilities
10 November 2022

USN-5709-1 introduced minor regressions in Firefox
Releases

  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS

Packages

  o firefox - Mozilla Open Source web browser

Details

USN-5709-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. ( CVE-2022-42927 ,
CVE-2022-42928 , CVE-2022-42929 , CVE-2022-42930 , CVE-2022-42932 )

It was discovered that Firefox saved usernames to a plaintext file. A
local user could potentially exploit this to obtain sensitive information.
( CVE-2022-42931 )

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 20.04

  o firefox - 106.0.5+build1-0ubuntu0.20.04.1

Ubuntu 18.04

  o firefox - 106.0.5+build1-0ubuntu0.18.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References

  o https://launchpad.net/bugs/1996178

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