AEGLIX vulnerability intelligence
CVE-2021-21193
HIGH · CVSS 8.8 · Analyzed
Published: 2021-03-16 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
Use after free in Blink in Google Chrome prior to 89.0.4389.90 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-416
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 Blink
- 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): 89.0.4389.90
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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/2021/03/stable-channel-update-for-desktop_12.html
Release Notes
- https://crbug.com/1186287
Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
Release Notes
- https://security.gentoo.org/glsa/202104-08
Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886
Mailing List · Third Party Advisory
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
Release Notes
- https://crbug.com/1186287
Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
Release Notes
- https://security.gentoo.org/glsa/202104-08
Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886
Mailing List · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21193
US Government Resource