CVE-2021-4055

high

Description

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

References

https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html

https://crbug.com/1266510

https://lists.fedoraproject.org/archives/list/[email protected]/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/

https://www.debian.org/security/2022/dsa-5046

https://security.gentoo.org/glsa/202208-25

Details

Source: MITRE

Published: 2021-12-23

Updated: 2022-09-27

Type: CWE-787

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH