CVE-2020-35113 : Security Advisory and Response

Mozilla developers reported memory safety bugs in Firefox 83 and Firefox ESR 78.5, potentially leading to memory corruption and arbitrary code execution. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Understanding CVE-2020-35113

Memory safety bugs in Mozilla Firefox and Thunderbird versions leading to potential arbitrary code execution.

What is CVE-2020-35113?

This CVE involves memory safety bugs in Firefox 83 and Firefox ESR 78.5, which could be exploited to run arbitrary code.

The Impact of CVE-2020-35113

The vulnerability could allow attackers to exploit memory corruption issues, potentially leading to arbitrary code execution.

Technical Details of CVE-2020-35113

Memory safety bugs in Mozilla Firefox and Thunderbird versions.

Vulnerability Description

The vulnerability involves memory safety bugs in Firefox 83 and Firefox ESR 78.5, which could result in memory corruption.

Affected Systems and Versions

Firefox versions less than 84
Thunderbird versions less than 78.6
Firefox ESR versions less than 78.6

Exploitation Mechanism

The bugs could be exploited with enough effort to run arbitrary code on affected systems.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-35113 vulnerability.

Immediate Steps to Take

Update Firefox to version 84 or higher
Update Thunderbird to version 78.6 or higher
Update Firefox ESR to version 78.6 or higher

Long-Term Security Practices

Regularly update software to the latest versions
Implement security best practices to prevent memory corruption vulnerabilities

Patching and Updates

Apply patches provided by Mozilla to fix the memory safety bugs in Firefox and Thunderbird.