CVE-2021-21193

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html	Release Notes
https://crbug.com/1186287	Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/	Release Notes
https://security.gentoo.org/glsa/202104-08	Third Party Advisory
https://www.debian.org/security/2021/dsa-4886	Mailing List Third Party Advisory
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html	Release Notes
https://crbug.com/1186287	Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/	Release Notes
https://security.gentoo.org/glsa/202104-08	Third Party Advisory
https://www.debian.org/security/2021/dsa-4886	Mailing List Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21193	US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-16 15:15

Updated : 2025-10-24 21:00

NVD link : CVE-2021-21193

Mitre link : CVE-2021-21193

CVE.ORG link : CVE-2021-21193

JSON object : View

Products Affected

debian

debian_linux

fedoraproject

fedora

google

chrome

CWE

CWE-416

Use After Free

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previamente liberada en Blink en Google Chrome versiones anteriores a 89.0.4389.90, permit\u00eda a un atacante remoto explotar la corrupci\u00f3n de la pila por medio de una p\u00e1gina HTML dise\u00f1ada"}], "lastModified": "2025-10-24T21:00:22.890", "cisaActionDue": "2021-11-17", "cisaExploitAdd": "2021-11-03", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "66251C61-17B9-4437-B3D7-75A75BCCE0FD", "versionEndExcluding": "89.0.4389.90"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Google Chromium Blink Use-After-Free Vulnerability"}