#VU108955 Memory corruption in WPE WebKit and WebKitGTK+ - CVE-2025-31257

Vulnerability identifier: #VU108955

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-31257

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WPE WebKit
Server applications / Frameworks for developing and running applications
WebKitGTK+
Server applications / Frameworks for developing and running applications

Vendor: WebKitGTK

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit engine. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WPE WebKit: before 2.48.2

WebKitGTK+: before 2.48.2

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External links
https://support.apple.com/en-us/122716
https://webkitgtk.org/security/WSA-2025-0004.html

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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.