Is CVE-2021-21806 actively exploited?

CVE-2021-21806 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-21806?

CVE-2021-21806 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-21806?

Patch guidance is available from webkitgtk security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-21806.

Which products are affected by CVE-2021-21806?

1 product: webkitgtk webkitgtk.

Fix CVE-2021-21806 - HIGH webkitgtk webkitgtk

Description

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-416 · Use After Free

Metadata

Primary Vendor: WEBKITGTK
Published: 7/8/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-21806

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary