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High 8.8Known exploited (CISA KEV)Published Oct 8, 2021
CVE-2021-37975Use 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.
Updated under an hour ago ()
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It affects Google Chrome and 2 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by Nov 17, 2021. Treat that date as your deadline.
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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
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due Nov 17, 2021Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 34.89% (percentile 98)
- Assigned by
- Chrome
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Google Chrome google:chrome (from the name) | from unspecified before 94.0.4606.71 | CNA record |
google chrome google:chrome | before 94.0.4606.71 | NVD |
fedoraproject fedora fedoraproject:fedora | 33; 34; 35 | NVD |
debian debian_linux debian:debian_linux | 10.0; 11.0 | NVD |
References
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.htmlrelease-notes
- https://crbug.com/1252918permissions-required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/vendor-advisory, release-notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/vendor-advisory, release-notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/vendor-advisory, release-notes
- https://www.debian.org/security/2022/dsa-5046vendor-advisory, mailing-list, third-party-advisory
- http://packetstormsecurity.com/files/172847/Chrome-V8-Logic-Bug-Use-After-Free.htmlthird-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37975us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.