CVE-2025-13720 Memory corruption in Chrome

High 8.8 Published Updated

A bad cast in the Chrome Loader allows remote attackers with compromised renderer processes to exploit heap corruption via crafted HTML pages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-13720?

CVE-2025-13720 is a high-severity memory corruption vulnerability in Google Chrome, published on 2 Dec 2025. 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

Bad cast in Loader in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-704

Which versions are affected by CVE-2025-13720?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2025-13720?

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-2025-13720 being exploited?

There is no known exploitation of CVE-2025-13720 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2025-13720, GHSA-p4q8-mx85-6fc8.

Is CVE-2025-13720 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free