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Ubuntu 20.04 LTS USN-6710-2 Moderate Firefox Minor Regressions

ubuntu
Calendar Grey April 4, 2024
Dist Ubuntu Esm H88
Address small inconsistencies in Firefox stemming from USN-6710-1 through this Ubuntu security advisory rectification.
USN-6710-1 caused some minor regressions in Firefox.

Summary

USN-6710-1 caused some minor regressions in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-6710-1 fixed vulnerabilities in Firefox. The update introduced

several minor regressions. This update fixes the problem.

Original advisory details:

Manfred Paul discovered that Firefox did not properly perform bounds

checking during range analysis, leading to an out-of-bounds write

vulnerability. A attacker could use this to cause a denial of service,

or execute arbitrary code. (CVE-2024-29943)

Manfred Paul discovered that Firefox incorrectly handled MessageManager

listeners under certain circumstances. An attacker who was able to inject

an event handler into a privileged object may have been able to execute

arbitrary code. (CVE-2024-29944)

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu regressions Firefox out-of-bounds

Update Instructions

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

Ubuntu 20.04 LTS:
   firefox                         124.0.2+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-6710-2

https://ubuntu.com/security/notices/USN-6710-1

Ubuntu Security Notice USN-6710-2

Topics%20covered

Topics Covered

security advisory moderate denial of service Ubuntu regressions Firefox out-of-bounds

Package Information

https://launchpad.net/ubuntu/+source/firefox/124.0.2+build1-0ubuntu0.20.04.1

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