CVEs / CVE-2021-4102
CVE-2021-4102: Google Chromium V8 Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 15 Dec 2021
- high 8.8 CVSS 3.1 (NVD)
- EPSS 7.83% chance of exploitation in the next 30 days, higher than 94% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Description
Use after free in V8 in Google Chrome prior to 96.0.4664.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Google Chrome | from unspecified, before 96.0.4664.110 | 96.0.4664.110 |
Exploitation
| In CISA KEV since | 15 Dec 2021 |
|---|---|
| Due date for US federal agencies | 29 Dec 2021 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2021-4102 on NVD
- CVE-2021-4102 in the CISA KEV catalog
- CVE-2021-4102 on OSV
- https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html Release Notes, Vendor Advisory
- https://crbug.com/1278387 Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-4102 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.