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Ubuntu 20.04: USN-6779-1 Critical Firefox Denial Of Service Exploits

ubuntu
Calendar Grey May 21, 2024
Dist Ubuntu Esm H88
The latest upgrade to Firefox addresses multiple vulnerabilities for Ubuntu 20.04 LTS users, mitigating potential exploit threats and enhancing security.
Several security issues were fixed in Firefox.

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-2024-4767,

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 ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security fix multiple issues firefox ubuntu sensitive information

Update Instructions

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

Ubuntu 20.04 LTS
  firefox                         126.0+build2-0ubuntu0.20.04.1

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

References

https://ubuntu.com/security/notices/USN-6779-1

CVE-2024-4367, CVE-2024-4764, CVE-2024-4767, CVE-2024-4768,

CVE-2024-4769, CVE-2024-4770, CVE-2024-4771, CVE-2024-4772,

CVE-2024-4773, CVE-2024-4774, CVE-2024-4775, CVE-2024-4776,

CVE-2024-4777, CVE-2024-4778

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6779-1

Topics%20covered

Topics Covered

security advisory denial of service security fix multiple issues firefox ubuntu sensitive information

Package Information

https://launchpad.net/ubuntu/+source/firefox/126.0+build2-0ubuntu0.20.04.1

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