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CVE-2021-30573

HighPublished

Use after free in GPU in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Published: Aug 3, 2021
Updated: Aug 3, 2024
Assigning CNA: Chrome
Evidence observed: Aug 8, 2026

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

6.3%

Low · next 30 days

Percentile: 93.4%
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.

Summary

Use after free in GPU in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Sources

CVE-2021-30573-PoC-Google-ChromePoC
Google Chrome Use After Free vulnerability reported by S4E Team
CVE-2021-30573PoC
Proof-of-concept exploit for CVE-2021-30573, a use-after-free vulnerability in Google Chrome's GPU component allowing remote heap corruption via crafted HTML pages.
CVE-2021-30573PoC
Google Chrome Vulnerabilities CVE-2021-30573

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