CVE-2021-21154

CriticalCVSS 9.6/10Last modified Jun 17, 2026

Description

Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process 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-787

Affected software

VendorProductVersions
GoogleChrome>= unspecified, < 88.0.4324.182

References

Timeline

Published
Feb 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-211559.6Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the rendeCVE-2021-211568.8Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crCVE-2021-211578.8Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruptCVE-2021-211598.8Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption viaCVE-2021-21165.4Vulnerability in the Oracle Application Express Opportunity Tracker component of Oracle Database Server. The supported version that is affecCVE-2021-211608.8Heap buffer overflow in WebAudio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption viaCVE-2021-211618.8Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption viaCVE-2021-211628.8Use after free in WebRTC in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a craftCVE-2021-211636.5Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin datCVE-2021-211646.5Insufficient data validation in Chrome on iOS in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin dCVE-2021-211658.8Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTMCVE-2021-211668.8Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTM
CVE-2021-21154: Critical severity, CVSS 9.6 | Vulnix