KLA11963 Multiple vulnerabilities in Mozilla Firefox

Multiple vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to .

Below is a complete list of vulnerabilities:

1. Use after free vulnerability can be exploited to denial of service.
2. Security UI vulnerability can be exploited to spoof user interface.
3. Memory safety vulnerability can be exploited to execute arbitrary code.
4. Use after free vulnerability in WebGL can be exploited to potentially cause denial of service.
5. XSS vulnerability can be exploited to spoof user interface.

Original advisories

MFSA2020-42

Related products

Mozilla-Firefox

CVE list

CVE-2020-15678 critical

CVE-2020-15677 high

CVE-2020-15674 critical

CVE-2020-15675 critical

CVE-2020-15676 high

CVE-2020-15673 critical

Solution

Update to the latest version

Download Firefox

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• XSS/CSS

Cross site scripting. Exploitation of vulnerabilities with this impact can lead to partial interception of information transmitted between user and site.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Mozilla Firefox earlier than 81