CVE-2018-6129 Memory corruption in Chrome

What is CVE-2018-6129?

CVE-2018-6129 is a medium-severity memory corruption vulnerability in Google Chrome, published on 27 Jun 2019. 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

Out of bounds array access in WebRTC in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

Weakness: CWE-125

Which versions are affected by CVE-2018-6129?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2018-6129?

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-2018-6129 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-6129 exists.

Public exploit code: 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 GHSA-cgw7-3f4w-4c8f, UBUNTU-CVE-2018-6129.