PULSE
ES
FEED
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← All CVEs
CVE Watch—

CVE-2021-21193

Google Chromium Blink Use-After-Free Vulnerability

CVSS

—

No CVSS

EPSS

9.9%

p96

KEV

YES

Nov 3, 2021

Exploit Today

79

0-100

Published: — · Last modified: —

EPSS · 30d
9.9%EPSS · 30 days9.9%
2026-09-172026-10-15
KEV catalog record

Product

Google / Chromium Blink

Vulnerability

Google Chromium Blink Use-After-Free Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

Google Chromium Blink 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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-21193

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KEV—79Google Chromium Blink Use-After-Free Vulnerability—