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Ubuntu Security Notice USN-7056-1
October 07, 2024

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

- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Firefox.

Software Description:
- 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 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:

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

Ubuntu 20.04 LTS
  firefox                         131.0+build1.1-0ubuntu0.20.04.1

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

References:
  https://ubuntu.com/security/notices/USN-7056-1
  CVE-2024-9392, CVE-2024-9393, CVE-2024-9394, CVE-2024-9396,
  CVE-2024-9397, CVE-2024-9398, CVE-2024-9399, CVE-2024-9400,
  CVE-2024-9401, CVE-2024-9402, CVE-2024-9403

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/131.0+build1.1-0ubuntu0.20.04.1