CVE-2020-16040 Memory corruption in Chrome

What is CVE-2020-16040?

CVE-2020-16040 is a medium-severity memory corruption vulnerability in Google Chrome, published on 8 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Weakness: CWE-787, CWE-20, CWE-190

Which versions are affected by CVE-2020-16040?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2020-16040?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-16040 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-16040 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-16040, GHSA-6v42-384q-wwf5, UBUNTU-CVE-2020-16040.