CVE-2019-5791 Memory corruption in Chrome

What is CVE-2019-5791?

CVE-2019-5791 is a high-severity memory corruption vulnerability in Google Chrome, published on 23 May 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

Inappropriate optimization in V8 in Google Chrome prior to 73.0.3683.75 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

Weakness: CWE-843, CWE-125

Which versions are affected by CVE-2019-5791?

It affects 3 products.

Products include Google Chrome, Opensuse Backports, Opensuse Leap.

How do I fix CVE-2019-5791?

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-2019-5791 being exploited?

There is no known exploitation of CVE-2019-5791 in the wild and no public exploit code.

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-2019-5791, GHSA-hq72-v7r9-cggf, UBUNTU-CVE-2019-5791.