Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-42950

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Main Vulnerability Database Vulnerabilities #VU87765

Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-42950

Published: March 25, 2024 / Updated: December 4, 2024


Vulnerability identifier: #VU87765
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-42950
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WebKitGTK
Affected software:
WebKitGTK+
WPE WebKit

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2023-42950

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources