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Ubuntu Security Notice USN-6992-2
September 23, 2024

firefox regressions
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

USN-6992-1 caused some minor regressions in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

USN-6992-1 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-2024-8382,
  CVE-2024-8383, CVE-2024-8386, CVE-2024-8387, CVE-2024-8389)
  
  Nils Bars discovered that Firefox contained a type confusion vulnerability
  when performing certain property name lookups. An attacker could
  potentially exploit this issue to cause a denial of service, or execute
  arbitrary code. (CVE-2024-8381)
  
  It was discovered that Firefox did not properly manage memory during
  garbage collection. An attacker could potentially exploit this issue to
  cause a denial of service, or execute arbitrary code. (CVE-2024-8384)
  
  Seunghyun Lee discovered that Firefox contained a type confusion
  vulnerability when handling certain ArrayTypes. An attacker could
  potentially exploit this issue to cause a denial of service, or execute
  arbitrary code. (CVE-2024-8385)

Update instructions:

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

Ubuntu 20.04 LTS
   firefox                         130.0.1+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-6992-2
   https://ubuntu.com/security/notices/USN-6992-1
   https://launchpad.net/bugs/2081668

Package Information:
   https://launchpad.net/ubuntu/+source/firefox/130.0.1+build1-0ubuntu0.20.04.1