Firefox

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.0940
                    USN-5314-1: Firefox vulnerabilities
                               7 March 2022

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

Product:           Firefox
Publisher:         Ubuntu
Operating System:  Ubuntu
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-26486 CVE-2022-26485 

Reference:         ESB-2022.0938

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-5314-1

Comment: Comment: CVSS (Max):  None available when published

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USN-5314-1: Firefox vulnerabilities
06 March 2022

Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Releases

  o Ubuntu 21.10
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS

Packages

  o firefox - Mozilla Open Source web browser

Details

A use-after-free was discovered when removing an XSLT parameter in some
circumstances. If a user were tricked into opening a specially crafted
website, an attacker could exploit this to cause a denial of service, or
execute arbitrary code. ( CVE-2022-26485 )

A use-after-free was discovered in the WebGPU IPC framework. If a user
were tricked into opening a specially crafted website, an attacker could
exploit this to cause a denial of service, or execute arbitrary code.
( CVE-2022-26486 )

Update instructions

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

Ubuntu 21.10

  o firefox - 97.0.2+build1-0ubuntu0.21.10.1

Ubuntu 20.04

  o firefox - 97.0.2+build1-0ubuntu0.20.04.1

Ubuntu 18.04

  o firefox - 97.0.2+build1-0ubuntu0.18.04.1

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

References

  o CVE-2022-26485
  o CVE-2022-26486

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