CVE & CISA-KEV Catalog

CVE-2021-37975

HIGHCISA KEVEPSS 98th pctl

8.8

CVSS v3

Description

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.

CWE-416Use After Free

How to fix

Remediation Available

chromiumDebian

Fixed in:97.0.4692.71-0.1~deb11u1CVE-2021-37975

Fixed in:97.0.4692.71-0.1CVE-2021-37975

Fixed in:97.0.4692.71-0.1CVE-2021-37975

Fixed in:97.0.4692.71-0.1CVE-2021-37975

Google ChromeWindows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome (EXE)Windows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome BetaWindows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome Beta (EXE)Windows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome CanaryWindows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome DevWindows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

Google Chrome Dev (EXE)Windows application

Affected:94.0.4606.71Fixed in:94.0.4606.71Google LLC

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

34.89%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Google Chromium V8 Use-After-Free Vulnerability

Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Apply updates per vendor instructions.

Remediation due: 2021-11-17

References

Third-Party Advisory2

Government Resource1

cisa.gov

Release Notes4

Other references1

crbug.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.