Use-after-free in Google Chrome - CVE-2021-21150

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Main Vulnerability Database Vulnerabilities #VU50747

Use-after-free in Google Chrome - CVE-2021-21150

Published: February 16, 2021 / Updated: February 17, 2021


Vulnerability identifier: #VU50747
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21150
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Downloads component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Google Chrome
Microsoft Edge
Gentoo Linux
Arch Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21150

Update to version 88.0.4324.182.

Google Chrome - update to 88.0.4324.182
chromium (Debian package) - update to 88.0.4324.182-1~deb10u1
Microsoft Edge - update to 88.0.705.74
chromium - addressed in versions 88.0.4324.182-1.el7, 88.0.4324.182-1.el8, 88.0.4324.182-1.fc32, 88.0.4324.182-1.fc33, 88.0.4324.182-2.el7, 88.0.4324.182-2.el8, 88.0.4324.182-2.fc32, 89.0.4389.82-1.el7, 89.0.4389.82-1.el8, 89.0.4389.82-1.fc32

External References

Related Security Bulletins