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CVE-2021-37975

HighPublished

Google Chromium V8 Use-After-Free Vulnerability

Published: Oct 8, 2021
Updated: Oct 21, 2025
Assigning CNA: Chrome
Evidence observed: Nov 3, 2021

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

34.9%

Moderate · next 30 days

Percentile: 98.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Sources

CVE-2021-37975PoC
Playground for demonstrating the exploitation process of CVE-2021-37975, providing a hands-on environment for security researchers to understand and analyze the vulnerability.

Responsible use

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