1. Ubuntu Security Notices
  2. USN-7056-1

USN-7056-1: Firefox vulnerabilities

Publication date

7 October 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-2024-9392,
CVE-2024-9396, CVE-2024-9397, CVE-2024-9398, CVE-2024-9399, CVE-2024-9400,
CVE-2024-9401, CVE-2024-9402, CVE-2024-9403)

Masato Kinugawa discovered that Firefox did not properly validate
javascript under the “resource://pdf.js” origin. An attacker could
potentially exploit this issue to execute arbitrary javascript code and
access...

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-2024-9392,
CVE-2024-9396, CVE-2024-9397, CVE-2024-9398, CVE-2024-9399, CVE-2024-9400,
CVE-2024-9401, CVE-2024-9402, CVE-2024-9403)

Masato Kinugawa discovered that Firefox did not properly validate
javascript under the “resource://pdf.js” origin. An attacker could
potentially exploit this issue to execute arbitrary javascript code and
access cross-origin PDF content. (CVE-2024-9393)

Masato Kinugawa discovered that Firefox did not properly validate
javascript under the “resource://devtools” origin. An attacker could
potentially exploit this issue to execute arbitrary javascript code and
access cross-origin JSON content. (CVE-2024-9394)

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 –  131.0+build1.1-0ubuntu0.20.04.1

Reduce your security exposure

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›