Buffer overflow in WebKitGTK+ - CVE-2017-2366
Published: February 20, 2017 / Updated: February 10, 2026
Vulnerability identifier: #VU33478
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2017-2366
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. iCloud before 6.1.1 is affected. iTunes before 12.5.5 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
Affected software
WebKitGTK+
Arch Linux
Fedora
webkit2gtk (Alpine package)
webkitgtk4
Arch Linux
Fedora
webkit2gtk (Alpine package)
webkitgtk4
How to mitigate CVE-2017-2366
Install update from vendor's website.
WebKitGTK+ - update to 2.14.4
webkit2gtk (Alpine package) - update to 2.14.5-r0
webkitgtk4 - addressed in versions 2.14.5-1.fc24, 2.14.5-1.fc25
webkit2gtk (Alpine package) - update to 2.14.5-r0
webkitgtk4 - addressed in versions 2.14.5-1.fc24, 2.14.5-1.fc25