==========================================================================
Ubuntu Security Notice USN-6649-2
March 06, 2024

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

- Ubuntu 20.04 LTS

Summary:

USN-6649-1 caused some minor regressions in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

USN-6649-1 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-2024-1547,
 CVE-2024-1548, CVE-2024-1549, CVE-2024-1550, CVE-2024-1553, CVE-2024-1554,
 CVE-2024-1555, CVE-2024-1557)
 
 Alfred Peters discovered that Firefox did not properly manage memory when
 storing and re-accessing data on a networking channel. An attacker could
 potentially exploit this issue to cause a denial of service.
 (CVE-2024-1546)
 
 Johan Carlsson discovered that Firefox incorrectly handled Set-Cookie
 response headers in multipart HTTP responses. An attacker could
 potentially exploit this issue to inject arbitrary cookie values.
 (CVE-2024-1551)
 
 Gary Kwong discovered that Firefox incorrectly generated codes on 32-bit
 ARM devices, which could lead to unexpected numeric conversions or
 undefined behaviour. An attacker could possibly use this issue to cause a
 denial of service. (CVE-2024-1552)
 
 Ronald Crane discovered that Firefox did not properly manage memory when
 accessing the built-in profiler. An attacker could potentially exploit
 this issue to cause a denial of service. (CVE-2024-1556)

Update instructions:

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

Ubuntu 20.04 LTS:
  firefox                         123.0.1+build1-0ubuntu0.20.04.1

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

References:
  https://ubuntu.com/security/notices/USN-6649-2
  https://ubuntu.com/security/notices/USN-6649-1
  https://launchpad.net/bugs/2056258

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/123.0.1+build1-0ubuntu0.20.04.1

Ubuntu 6649-2: Firefox regressions

March 6, 2024
USN-6649-1 caused some minor regressions in Firefox.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: USN-6649-1 caused some minor regressions in Firefox. Software Description: - firefox: Mozilla Open Source web browser Details: USN-6649-1 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-2024-1547, CVE-2024-1548, CVE-2024-1549, CVE-2024-1550, CVE-2024-1553, CVE-2024-1554, CVE-2024-1555, CVE-2024-1557) Alfred Peters discovered that Firefox did not properly manage memory when storing and re-accessing data on a networking channel. An attacker could potentially exploit this issue to cause...

Read the Full Advisory

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: firefox 123.0.1+build1-0ubuntu0.20.04.1 After a standard system update you need to restart Firefox to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6649-2

https://ubuntu.com/security/notices/USN-6649-1

https://launchpad.net/bugs/2056258

Severity
Ubuntu Security Notice USN-6649-2

Package Information

https://launchpad.net/ubuntu/+source/firefox/123.0.1+build1-0ubuntu0.20.04.1

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