CVE-2018-11646

HIGH

WebKitGTK+ <2.21.3 - Use After Free

Title source: llm

Description

webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.

Exploits (3)

exploitdb WORKING POC
by Dhiraj Mishra · rubydoslinux
https://www.exploit-db.com/exploits/44876
exploitdb WORKING POC
by Dhiraj Mishra · textlocallinux
https://www.exploit-db.com/exploits/44842
metasploit WORKING POC
by Dhiraj Mishra, Hardik Mehta, Zubin Devnani, Manuel Caballero · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/webkitplus.rb

Scores

CVSS v3 7.5
EPSS 0.7535
EPSS Percentile 98.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
webkitgtk/webkitgtk\+ < 2.21.3
Published Jun 01, 2018
Tracked Since Feb 18, 2026