#VU49716 Use-after-free in Google Chrome


Published: 2021-01-19 | Updated: 2021-01-19

Vulnerability identifier: #VU49716

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21138

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to use-after-free error in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.

Mitigation
Update to version 88.0.4324.96.

Vulnerable software versions

Google Chrome: 85.0.4183.102 - 87.0.4280.141


External links
http://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
http://crbug.com/1122487


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability