1. Ubuntu Security Notices
  2. USN-6779-1

USN-6779-1: Firefox vulnerabilities

Publication date

21 May 2024

Overview

Several security issues were fixed in Firefox.

Releases

Packages

  • firefox - Mozilla Open Source web browser

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-2024-4767,
CVE-2024-4768, CVE-2024-4769, CVE-2024-4771, CVE-2024-4772, CVE-2024-4773,
CVE-2024-4774, CVE-2024-4775, CVE-2024-4776, CVE-2024-4777, CVE-2024-4778)

Jan-Ivar Bruaroey discovered that Firefox did not properly manage memory
when audio input connected with multiple...

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-2024-4767,
CVE-2024-4768, CVE-2024-4769, CVE-2024-4771, CVE-2024-4772, CVE-2024-4773,
CVE-2024-4774, CVE-2024-4775, CVE-2024-4776, CVE-2024-4777, CVE-2024-4778)

Jan-Ivar Bruaroey discovered that Firefox did not properly manage memory
when audio input connected with multiple consumers. An attacker could
potentially exploit this issue to cause a denial of service, or execute
arbitrary code. (CVE-2024-4764)

Thomas Rinsma discovered that Firefox did not properly handle type check
when handling fonts in PDF.js. An attacker could potentially exploit this
issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Firefox did not properly handle certain
font styles when saving a page to PDF. An attacker could potentially
exploit this issue to cause a denial of service. (CVE-2024-4770)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal firefox –  126.0+build2-0ubuntu0.20.04.1

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References

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