CVE-2021-37993 is a high-severity use-after-free vulnerability in Google Chrome's PDF Accessibility component, affecting versions prior to 95.0.4638.54, as well as Debian-based Chrome installations. This flaw allows a remote attacker to potentially corrupt the heap and execute arbitrary code by enticing a user to visit a specially crafted HTML page. With a CVSS score of 8.8, it presents a significant risk of complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its high severity warrants prompt patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 95.0.4638.54CPE matchmatch criteria | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | ||
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
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.