CVE-2018-12390 : What You Need to Know

Memory safety bugs in Firefox 62 and Firefox ESR 60.2 have been identified and reported by Mozilla developers and community members. This vulnerability impacts Firefox versions prior to 63, Firefox ESR versions prior to 60.3, and Thunderbird versions prior to 60.3.

Understanding CVE-2018-12390

This CVE involves memory safety bugs in Mozilla Firefox and Thunderbird that could potentially lead to arbitrary code execution.

What is CVE-2018-12390?

Memory safety bugs in Firefox 62 and Firefox ESR 60.2 have been reported, indicating potential memory corruption that could be exploited to execute arbitrary code.

The Impact of CVE-2018-12390

The vulnerability affects Firefox versions before 63, Firefox ESR versions before 60.3, and Thunderbird versions before 60.3, posing a risk of arbitrary code execution.

Technical Details of CVE-2018-12390

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves memory safety bugs in Firefox 62 and Firefox ESR 60.2, potentially leading to memory corruption and arbitrary code execution.

Affected Systems and Versions

Firefox versions prior to 63
Firefox ESR versions prior to 60.3
Thunderbird versions prior to 60.3

Exploitation Mechanism

The vulnerability could be exploited by leveraging the memory corruption to execute arbitrary code on affected systems.

Mitigation and Prevention

Protect your systems from CVE-2018-12390 with the following steps:

Immediate Steps to Take

Update Firefox to version 63 or later
Update Firefox ESR to version 60.3 or later
Update Thunderbird to version 60.3 or later
Monitor official advisories for patches and updates

Long-Term Security Practices

Regularly update software to the latest versions
Implement strong security measures to prevent arbitrary code execution

Patching and Updates

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