CVE-2021-37975
Published 2021-10-08 · Updated 2026-06-17 · Source chrome-cve-admin@google.com
Summary
CVE-2021-37975 is a high-severity (CVSS 8.8) vulnerability in Google Chromium V8. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by November 17, 2021. CISA does not currently list it as used in ransomware campaigns. Google has 76 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 76 known-exploited Google vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Google — Chromium V8
Name: Google Chromium V8 Use-After-Free Vulnerability
Date added: 2021-11-03 · Due: 2021-11-17
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/172847/Chrome-V8-Logic-Bug-Use-After-Free.html
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.html
- https://crbug.com/1252918
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/
- https://www.debian.org/security/2022/dsa-5046
- http://packetstormsecurity.com/files/172847/Chrome-V8-Logic-Bug-Use-After-Free.html

