USN-6992-2: Firefox regressions

Releases

• Ubuntu 20.04 LTS

Packages

• 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

• 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://launchpad.net/bugs/2081668