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CVE-2021-21220

nvd nist
Published: Apr 26, 2021Modified: Jun 17, 2026CISA KEV

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected (4)

Google
1 product
Chrome
Fedoraproject
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Chrome
Before 89.0.4389.128
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 32
Fedora
Version 33
Fedora
Version 34

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (17)

Source: chrome-cve-admin@google.com
ExploitThird Party AdvisoryVDB Entry
Source: chrome-cve-admin@google.com
Third Party AdvisoryVDB Entry
Source: chrome-cve-admin@google.com
Release Notes
Source: chrome-cve-admin@google.com
ExploitIssue Tracking
Source: chrome-cve-admin@google.com
Release Notes
Source: chrome-cve-admin@google.com
Release Notes
Source: chrome-cve-admin@google.com
Release Notes
Source: chrome-cve-admin@google.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.