AEGLIX vulnerability intelligence
CVE-2021-30563
HIGH · CVSS 8.8 · Analyzed
Published: 2021-08-03 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-843
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Google · Chromium V8
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2021-11-17
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Before (exclusive): 91.0.4472.164
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
Release Notes · Vendor Advisory
- https://crbug.com/1228407
Permissions Required · Vendor Advisory
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
Release Notes · Vendor Advisory
- https://crbug.com/1228407
Permissions Required · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563
US Government Resource