Heap-based buffer overflow in Google Chromium - CVE-2021-4321
Published: May 25, 2021 / Updated: August 16, 2023
Vulnerability identifier: #VU79606
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-4321
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Autofill. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and crash the browser.
Affected software
Google Chromium
Google Chrome
Fedora
Orion Platform
chromium
Google Chrome
Fedora
Orion Platform
chromium
How to mitigate CVE-2021-4321
Update to version 91.0.4472.77.
Google Chromium - update to 91.0.4472.77
Orion Platform - update to 2024.2
Google Chrome - update to 91.0.4472.77
chromium - update to 115.0.5790.170-1.fc38
Orion Platform - update to 2024.2
Google Chrome - update to 91.0.4472.77
chromium - update to 115.0.5790.170-1.fc38