#VU87766 Buffer overflow in WebKitGTK+ and WPE WebKit - CVE-2023-42956

Vulnerability identifier: #VU87766

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-2023-42956

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: WebKitGTK

Description

The vulnerability allows a remote attacker to crash the browser

The vulnerability exists due to a boundary error when processing web content in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and crash the browser.

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

Vulnerable software versions

WebKitGTK+: All versions

WPE WebKit: All versions

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External links
http://support.apple.com/en-us/HT214036

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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.