Use After Free in Google Chrome
CVE-2021-37975
Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Use-After-Free
EPSS: 0.349 (98.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Google Chrome — versions unspecified
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- chrome-cve-admin@google.com (Release Notes)
- chrome-cve-admin@google.com (Permissions Required)
- chrome-cve-admin@google.com (vendor-advisory, Release Notes)
- chrome-cve-admin@google.com (vendor-advisory, Release Notes)
- chrome-cve-admin@google.com (vendor-advisory, Release Notes)
- chrome-cve-admin@google.com (vendor-advisory, Mailing List, Third Party Advisory)
- chrome-cve-admin@google.com (VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2021-37975?
- CVE-2021-37975 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.8/10. Published 2021-10-08.
- How severe is CVE-2021-37975?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-37975 known to be exploited?
- Yes. CVE-2021-37975 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.