Type Confusion in WPE WebKit and WebKitGTK+ - CVE-2019-8506
Published: December 3, 2019 / Updated: May 4, 2022
Vulnerability identifier: #VU23361
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-8506
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error when processing maliciously crafted web content. A remote attacker can trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
WPE WebKit
WebKitGTK+
webkit2gtk (Alpine package)
Opensuse
WebKitGTK+
webkit2gtk (Alpine package)
Opensuse
How to mitigate CVE-2019-8506
Install updates from vendor's website.
WPE WebKit - update to 2.24.0
WebKitGTK+ - update to 2.24.0
webkit2gtk (Alpine package) - update to 2.24.2-r0
WebKitGTK+ - update to 2.24.0
webkit2gtk (Alpine package) - update to 2.24.2-r0