PULSE
ES
FEED
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CVE Watch—

CVE-2021-30633

Google Chromium Indexed DB API Use-After-Free Vulnerability

CVSS

—

No CVSS

EPSS

33.2%

p98

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
32.7%EPSS · 30 days33.2%
2026-09-172026-10-15
KEV catalog record

Product

Google / Chromium Indexed DB API

Vulnerability

Google Chromium Indexed DB API Use-After-Free Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape 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-2021-30633

Related CVEs

No related CVEs by CWE or product.