CVE-2021-21110 is a critical use-after-free vulnerability in Google Chrome's safe browsing component, affecting Chrome versions prior to 87.0.4280.141, as well as various Debian and Fedora distributions. With a CVSS score of 9.6, it allows a remote attacker to achieve a sandbox escape via a crafted HTML page, leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation (KEV) or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating its perceived importance.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 87.0.4280.141CPE matchmatch criteria | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.