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Ubuntu 20.04 LTS USN-6074-2: Denial of Service in Firefox Fixed

ubuntu
Calendar Grey May 16, 2023
Dist Ubuntu Esm H88
We are releasing Ubuntu's USN-6081-1 advisory that addresses recent regression issues encountered in Firefox. Detailed update instructions to rectify these problems are included.
USN-6074-1 caused some minor regressions in Firefox.

Summary

USN-6074-1 caused some minor regressions in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-6074-1 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-2023-32205,

CVE-2023-32207, CVE-2023-32210, CVE-2023-32211, CVE-2023-32212,

CVE-2023-32213, CVE-2023-32215, CVE-2023-32216)

Irvan Kurniawan discovered that Firefox did not properly manage memory

when using RLBox Expat driver. An attacker could potentially exploits this

issue to cause a denial of service. (CVE-2023-32206)

Anne van Kesteren discovered that Firefox d...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu firefox regression fix open source browser

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         113.0.1+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         113.0.1+build1-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-6074-2

https://ubuntu.com/security/notices/USN-6074-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2019782

Severity
critical
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May 16, 2023

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu firefox regression fix open source browser

Package Information

https://launchpad.net/ubuntu/+source/firefox/113.0.1+build1-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/113.0.1+build1-0ubuntu0.18.04.1

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