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Ubuntu 20.04: USN-6010-3 Important: Minor Fixes for Firefox Issues

ubuntu
Calendar Grey April 26, 2023
Dist Ubuntu Esm H88
Ubuntu Security Announcement USN-6011-4 deals with Chromium issues and enhancements required for peak functionality.
USN-6010-2 caused some minor regressions in Firefox.

Summary

USN-6010-2 caused some minor regressions in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-6010-1 fixed vulnerabilities and USN-6010-2 fixed minor regressions 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-2023-29537,

CVE-2023-29540, CVE-2023-29543, CVE-2023-29544, CVE-2023-29547,

CVE-2023-29548, CVE-2023-29549, CVE-2023-29550, CVE-2023-29551)

Irvan Kurniawan discovered that Firefox did not properly manage fullscreen

notifications using a combination of window.open, fullscreen requests,

window.name assignments, and setInterval call...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical software update firefox ubuntu firefox regression

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         112.0.2+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         112.0.2+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-6010-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2017722

Severity
important
Lowest
Low
Medium
High
Critical

April 26, 2023

Topics%20covered

Topics Covered

security advisory denial of service critical software update firefox ubuntu firefox regression

Package Information

https://launchpad.net/ubuntu/+source/firefox/112.0.2+build1-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/112.0.2+build1-0ubuntu0.18.04.1

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