CVE-2019-5868 : Security Advisory and Response

A possible security vulnerability in PDFium in Google Chrome prior to 76.0.3809.100 allowed a remote attacker to potentially manipulate heap memory through a carefully designed PDF file.

Understanding CVE-2019-5868

This CVE involves a use after free vulnerability in PDFium in Google Chrome.

What is CVE-2019-5868?

CVE-2019-5868 is a security vulnerability in PDFium in Google Chrome versions prior to 76.0.3809.100 that could be exploited by a remote attacker through a crafted PDF file.

The Impact of CVE-2019-5868

The vulnerability enabled a remote attacker to potentially manipulate heap memory, leading to heap corruption.

Technical Details of CVE-2019-5868

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in PDFium in Google Chrome allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 76.0.3809.100

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a carefully designed PDF file.

Mitigation and Prevention

Protect your system from CVE-2019-5868 with the following steps:

Immediate Steps to Take

Update Google Chrome to version 76.0.3809.100 or later.
Be cautious when opening PDF files from unknown or untrusted sources.

Long-Term Security Practices

Regularly update your browser and other software to the latest versions.
Implement security best practices to prevent and detect potential vulnerabilities.

Patching and Updates

Stay informed about security updates for Google Chrome and apply them promptly to ensure protection against known vulnerabilities.