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Ubuntu 20.04 LTS USN-6456-2: Moderate Firefox Issues Fix

ubuntu
Calendar Grey November 14, 2023
Dist Ubuntu Esm H88
Addressing small Firefox issues post USN-6456-1 on Ubuntu 20.04. Prompt upgrade is advised to avert complications.
USN-6456-1 caused some minor regressions in Firefox.

Summary

USN-6456-1 caused some minor regressions in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-6456-1 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-2023-5722,

CVE-2023-5724, CVE-2023-5728, CVE-2023-5729, CVE-2023-5730, CVE-2023-5731)

Kelsey Gilbert discovered that Firefox did not properly manage certain

browser prompts and dialogs due to an insufficient activation-delay. An

attacker could potentially exploit this issue to perform clickjacking.

(CVE-2023-5721)

Daniel Veditz discovered that Firefox did not prop...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update code execution Ubuntu firefox regression

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         119.0.1+build1-0ubuntu0.20.04.1

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

References

https://ubuntu.com/security/notices/USN-6456-2

https://ubuntu.com/security/notices/USN-6456-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2043441

Ubuntu Security Notice USN-6456-2

Topics%20covered

Topics Covered

security advisory denial of service update code execution Ubuntu firefox regression

Package Information

https://launchpad.net/ubuntu/+source/firefox/119.0.1+build1-0ubuntu0.20.04.1

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