CVE-2021-30562

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Use after free in WebSerial in Google Chrome prior to 91.0.4472.164 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-416

Affected software

No affected versions have been published.

Timeline

Published
Aug 3, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-305638.8Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted CVE-2021-305648.8Heap buffer overflow in WebXR in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via aCVE-2021-305658.8Out of bounds write in Tab Groups in Google Chrome on Linux and ChromeOS prior to 92.0.4515.107 allowed an attacker who convinced a user to CVE-2021-305668.8Stack buffer overflow in Printing in Google Chrome prior to 92.0.4515.107 allowed a remote attacker who had compromised the renderer processCVE-2021-305678.8Use after free in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to open DevTools to potentially CVE-2021-305688.8Heap buffer overflow in WebGL in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via aCVE-2021-305698.8Use after free in sqlite in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via a crafCVE-2021-30578.1A stack-based buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect app that enables a man-in-the-middle attacker to CVE-2021-305719.6Insufficient policy enforcement in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a maCVE-2021-305728.8Use after free in Autofill in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via a crCVE-2021-305738.8Use after free in GPU in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption via a craftedCVE-2021-305748.8Use after free in protocol handling in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to potentially exploit heap corruption
CVE-2021-30562: High severity, CVSS 8.8 | Vulnix