CVE-2021-4064 is a high-severity use-after-free vulnerability in Google Chrome's screen capture functionality on ChromeOS, affecting versions prior to 96.0.4664.93. This flaw, also present in various Debian and Fedora Chrome distributions, allows a remote attacker to potentially corrupt heap memory and achieve high impact across confidentiality, integrity, and availability by tricking a user into visiting a crafted HTML page. While the vulnerability has a high CVSS score of 8.8, there is no evidence of active exploitation, no known exploit code in Metasploit or ExploitDB, and it is not listed in CISA's KEV catalog. Despite this, it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 96.0.4664.93CPE matchmatch criteria | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.