What’s Vulnerable › Vulnerabilities

CVE-2018-20066

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-09 · updated 2026-06-17
• Weakness: CWE-416

Description

Incorrect object lifecycle in Extensions in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Google Chrome: before 71.0.3578.80 — fixed in 71.0.3578.80

How to fix

Upgrade to a fixed version: Google Chrome 71.0.3578.80. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
• https://crbug.com/856135
• https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
• https://crbug.com/856135

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