CVE-2018-4190

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive credential information that is transmitted during a CSS mask-image fetch.

• CWE-522

• http://www.securitytracker.com/id/1041029Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201808-04Third Party Advisory
• https://support.apple.com/HT208848Vendor Advisory
• https://support.apple.com/HT208850Vendor Advisory
• https://support.apple.com/HT208852Vendor Advisory
• https://support.apple.com/HT208853Vendor Advisory
• https://support.apple.com/HT208854Vendor Advisory
• https://usn.ubuntu.com/3687-1/Third Party Advisory
• http://www.securitytracker.com/id/1041029Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/201808-04Third Party Advisory
• https://support.apple.com/HT208848Vendor Advisory
• https://support.apple.com/HT208850Vendor Advisory
• https://support.apple.com/HT208852Vendor Advisory
• https://support.apple.com/HT208853Vendor Advisory
• https://support.apple.com/HT208854Vendor Advisory
• https://usn.ubuntu.com/3687-1/Third Party Advisory

Published

Jun 8, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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