CVE-2021-21124

CriticalCVSS 9.6/10Last modified Jun 17, 2026

Description

Potential user after free in Speech Recognizer in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
GoogleChrome>= unspecified, < 88.0.4324.96

References

Timeline

Published
Feb 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-211258.1Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 88.0.4324.96 allowed a remote attacker to bypass filCVE-2021-211266.5Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via CVE-2021-211278.8Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security poCVE-2021-211288.8Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a CVE-2021-211296.5Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem resCVE-2021-21134.3Vulnerability in the Oracle Financial Services Revenue Management and Billing product of Oracle Financial Services Applications (component: CVE-2021-211306.5Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem resCVE-2021-211316.5Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem resCVE-2021-211329.6Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox eCVE-2021-211336.5Insufficient policy enforcement in Downloads in Google Chrome prior to 88.0.4324.96 allowed an attacker who convinced a user to download filCVE-2021-211346.5Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafteCVE-2021-211356.5Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data v
CVE-2021-21124: Critical severity, CVSS 9.6 | Vulnix