Is CVE-2023-39928 actively exploited?

CVE-2023-39928 has no public evidence of in-the-wild exploitation as of 2025-11-04.

What is the CVSS score for CVE-2023-39928?

CVE-2023-39928 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-2023-39928?

Patch guidance is available from webkitgtk security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-39928.

Fix CVE-2023-39928 - HIGH webkitgtk webkitgtk

Q: Which products are affected by CVE-2023-39928?

4 products: webkitgtk webkitgtk, debian debian linux, debian debian linux, fedoraproject fedora.

Description

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this 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 CWE-416 · Use After Free

Metadata

Primary Vendor: WEBKITGTK
Published: 10/6/2023
Last Modified: 11/4/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

webkitgtk : webkitgtkdebian : debian_linuxdebian : debian_linuxfedoraproject : fedora

Remediation Guidance

Executive Summary

View on NIST NVD