Remote code execution in WebKitGTK+ and WPE WebKit



| Updated: 2025-02-10
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-27856
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WebKitGTK+
Server applications / Frameworks for developing and running applications

WPE WebKit
Server applications / Frameworks for developing and running applications

Vendor WebKitGTK

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU103095

Risk: High

CVSSv4.0: 6.1 [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-2024-27856

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling Text objects. A remote attacker can trick the victim into visiting 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WebKitGTK+: before 2.46.0

WPE WebKit: before 2.46.0

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-25-048/
https://webkitgtk.org/security/WSA-2025-0001.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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