CVE-2021-30551

HIGH KEV

Google Chrome <91.0.4472.101 - Heap Corruption

Title source: llm

Description

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Exploits (1)

nomisec STUB 24 stars

by xmzyshypnc · client-side

https://github.com/xmzyshypnc/CVE-2021-30551

View Code ZIP pw:eip

References (7)

[Release Notes] https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html

[Exploit, Issue Tracking, Third Party Advisory] https://crbug.com/1216437

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/

[Third Party Advisory] https://security.gentoo.org/glsa/202107-06

[Third Party Advisory] https://security.gentoo.org/glsa/202208-25

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551

Scores

CVSS v3 8.8

EPSS 0.7810

EPSS Percentile 99.0%

Attack Vector NETWORK

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

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-06-03

InTheWild.io 2021-06-03

ENISA EUVD EUVD-2021-17472

CWE

CWE-843

Status published

Products (3)

fedoraproject/fedora 33

fedoraproject/fedora 34

google/chrome < 91.0.4472.101

Published Jun 15, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026