CVE-2019-6251

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-01-14 · updated 2026-06-17

Description

WebKitGTK and WPE WebKit prior to version 2.24.1 are vulnerable to address bar spoofing upon certain JavaScript redirections. An attacker could cause malicious web content to be displayed as if for a trusted URI. This is similar to the CVE-2018-8383 issue in Microsoft Edge.

Affected products

Canonical Ubuntu Linux: 18.04, 18.10
Fedoraproject Fedora: 28, 29, 30
GNOME Epiphany: through 3.31.4
openSUSE Leap: 15.0, 42.3
Webkit: before 2.24.1 — fixed in 2.24.1
Wpewebkit Wpe Webkit: before 2.24.1 — fixed in 2.24.1

How to fix

Upgrade to a fixed version: Webkit 2.24.1; Wpewebkit Wpe Webkit 2.24.1. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00031.html
http://packetstormsecurity.com/files/152485/WebKitGTK-WPE-WebKit-URI-Spoofing-Code-Execution.html
http://www.openwall.com/lists/oss-security/2019/04/11/1
https://bugs.webkit.org/show_bug.cgi?id=194208
https://gitlab.gnome.org/GNOME/epiphany/issues/532
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSCDI3635E37GL4BNJDRDT2KEUBDLGSO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACVFU4MYYRPJ3IEA4UCN5KUEAGCCJ72/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPI3R6QWDJBA5KNGA6QSMKYLY5RRHBZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UO3DIA54X7FOUWFZW5YXC2MZ6KNHG6SW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YO5ZBUWOOXMVZPBYLZRDZF6ZQGBYJERQ/
https://seclists.org/bugtraq/2019/Apr/21

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