USN-6610-2: Firefox regressions

7 February 2024

USN-6610-1 caused some minor regressions in Firefox.

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Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

USN-6610-1 fixed vulnerabilities in Firefox. The update introduced
several minor regressions. This update fixes the problem.

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-2024-0741,
CVE-2024-0742, CVE-2024-0743, CVE-2024-0744, CVE-2024-0745, CVE-2024-0747,
CVE-2024-0748, CVE-2024-0749, CVE-2024-0750, CVE-2024-0751, CVE-2024-0753,
CVE-2024-0754, CVE-2024-0755)

Cornel Ionce discovered that Firefox did not properly manage memory when
opening the print preview dialog. An attacker could potentially exploit
this issue to cause a denial of service. (CVE-2024-0746)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 20.04

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

References

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