CVE-2021-30632

HighCVSS 8.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
Google	Chrome	>= unspecified, < 93.0.4577.82

References

http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.htmlThird Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.htmlRelease Notes
https://crbug.com/1247763Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/Release Notes
http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.htmlThird Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.htmlRelease Notes
https://crbug.com/1247763Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/Release Notes
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30632US Government Resource

Timeline

Published: Oct 8, 2021
Last modified: Jun 17, 2026
Added to CISA KEV: Nov 3, 2021
NVD status: Analyzed

Related CVEs from 2021

CVE-2021-306339.6Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process t CVE-2021-306355.3Sonatype Nexus Repository Manager 3.x before 3.30.1 allows a remote attacker to get a list of files and directories that exist in a UI-relat CVE-2021-306369.8In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by CVE-2021-306375.4htmly 2.8.0 allows stored XSS via the blog title, Tagline, or Description to config.html.php.CVE-2021-306387.5Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using CVE-2021-306397.5A vulnerability in Apache Tomcat allows an attacker to remotely trigger a denial of service. An error introduced as part of a change to impr CVE-2021-30649.8A memory corruption vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated n CVE-2021-306406.5A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass CVE-2021-306415.3Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'CVE-2021-306429.8An input validation flaw in the Symantec Security Analytics web UI 7.2 prior 7.2.7, 8.1, prior to 8.1.3-NSR3, 8.2, prior to 8.2.1-NSR2 or 8.CVE-2021-306489.8The Symantec Advanced Secure Gateway (ASG) and ProxySG web management consoles are susceptible to an authentication bypass vulnerability. An CVE-2021-306506.1A reflected cross-site scripting (XSS) vulnerability in the Symantec Layer7 API Management OAuth Toolkit (OTK) allows a remote attacker to c