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Ubuntu 20.04 & 18.04 USN-5880-2 Moderate: Firefox Memory Problems

ubuntu
Calendar Grey March 1, 2023
Scroller Ubuntu
Subtle setbacks in Firefox resolved in Ubuntu Security Notice USN-5880-2 following remedy for security flaws.
USN-5880-1 caused some minor regressions in Firefox.

Summary

USN-5880-1 caused some minor regressions in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

USN-5880-1 fixed vulnerabilities in Firefox. The update introduced

several minor regressions. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Christian Holler discovered that Firefox did not properly manage memory

when using PKCS 12 Safe Bag attributes. An attacker could construct a

PKCS 12 cert bundle in such a way that could allow for arbitrary memory

writes. (CVE-2023-0767)

Johan Carlsson discovered that Firefox did not properly manage child

iframe's unredacted URI when using Content-Security-Policy-Report-Only

header. An attacker could potentially exploits this to obtain sensitive

information. (CVE-2023-25728)

Vitor Torres discovered that Firefox did not properly manage permissions

of extensions interaction via ExpandedPrincipals. An attacker could

potentially ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update firefox regressions memory management ubuntu

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         110.0.1+build2-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         110.0.1+build2-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-5880-2

https://ubuntu.com/security/notices/USN-5880-1

https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2008861

March 01, 2023

Topics%20covered

Topics Covered

security advisory update firefox regressions memory management ubuntu

Package Information

https://launchpad.net/ubuntu/+source/firefox/110.0.1+build2-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/110.0.1+build2-0ubuntu0.18.04.1

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