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2023-12-01 8:15 AM

Chrome Crisis Unveiled: Google’s Urgent Fix for Critical Zero-Day Threat Sparks Cybersecurity Alarm

  • Zero-Day Vulnerability Uncovered: Google acknowledges a zero-day vulnerability (CVE-2023-6345) in Chrome, posing a significant security risk.
  • Nature of the Threat: The exploit, rooted in an integer overflow weakness in Skia, may enable remote data theft.
  • Urgent Action Required: Users urged to manually update Chrome to versions 119.0.6045.199 for Mac/Linux and 119.0.6045.199/.200 for Windows.
By Lethabo Ntsoane

In a recent announcement, Google has confirmed the discovery of a zero-day vulnerability in its Chrome browser, affecting users on Mac, Linux, and Windows operating systems. This critical security flaw, identified as CVE-2023-6345, has prompted the release of a Chrome stable channel update aimed at patching the vulnerability and preventing potential cyberattacks.

Zero-Day Vulnerability Threatens Data Security

The zero-day vulnerability, CVE-2023-6345, was brought to light by security researchers within Google’s Threat Analysis Group (TAG) on November 24th. Although Google has not disclosed extensive details about the exploit, it acknowledges the existence of an active exploit in the wild, highlighting the severity of the situation. Such discretion is common among tech companies to prevent attackers from capitalizing on vulnerabilities while they are being addressed.

Nature of the Vulnerability: Integer Overflow Weakness in Skia

The CVE-2023-6345 vulnerability is identified as an integer overflow weakness affecting Skia, the open-source 2D graphics library within the Chrome graphics engine. This weakness can potentially allow hackers to remotely access personal data and deploy malicious code. The exploit, according to Chrome’s update notes, enables attackers to perform a sandbox escape via a malicious file. A sandbox escape can be utilized to infect vulnerable systems with malicious code, posing a significant risk to user data security.

Immediate Action Required for Chrome Users

For users who have configured Chrome to update automatically, the security patch may already be in place. However, for those who haven’t enabled automatic updates, it is strongly recommended to manually update Chrome to the latest version as soon as possible. The latest versions are 119.0.6045.199 for Mac and Linux and 119.0.6045.199/.200 for Windows. Google assures that the fix will be rolled out gradually over the coming days and weeks, emphasizing the importance of timely updates to avoid potential exposure to security threats.

Protecting Against Remote Access and Data Theft

The CVE-2023-6345 vulnerability underscores the need for users to stay vigilant about their browser’s security. By keeping their Chrome browser up to date, users can protect themselves against potential remote access by malicious actors and the theft of sensitive personal data. Google’s proactive response to this security threat highlights the ongoing efforts to secure its widely used web browser.


As the digital landscape continues to evolve, the timely identification and patching of vulnerabilities play a crucial role in maintaining a secure online environment. Google’s response to the CVE-2023-6345 vulnerability demonstrates the commitment to user safety and the importance of regular software updates. Users are strongly encouraged to update their Chrome browsers promptly to ensure they are shielded against potential cyber threats in an ever-changing digital landscape. Stay informed, stay secure.

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Lethabo Ntsoane

Lethabo Ntsoane holds a Bachelors Degree in Accounting from the University of South Africa. He is a Financial Product commentator at Rateweb. He is an expect financial product analyst with years of experience in reviewing products and offering commentary. Lethabo majors in financial news, reviews and financial tips. He can be contacted: Email: lethabo@rateweb.co.za Twitter: @NtsoaneLethabo