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Ubuntu 20.04 LTS USN-6218-1: Firefox Crash Risk Critical DoS Threat

ubuntu
Calendar Grey July 12, 2023
Dist Ubuntu Esm H88
Debian Security Announcement DSA-5432-1 pertains to a significant LibreOffice flaw that permits malicious actors to infiltrate or disrupt operations.
Firefox could be made to crash or run programs as your login.

Summary

Firefox could be made to crash or run programs as your login.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

A use-after-free was discovered in Firefox when handling workers. An

attacker could potentially exploit this to cause a denial of service, or

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         115.0.2+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-6218-1

CVE-2023-3600

Severity
critical
Lowest
Low
Medium
High
Critical

July 12, 2023

Topics%20covered

Topics Covered

security advisory denial of service code execution firefox ubuntu

Package Information

https://launchpad.net/ubuntu/+source/firefox/115.0.2+build1-0ubuntu0.20.04.1

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