CVE-2018-11646

Name: CVE-2018-11646
Creator: NVD / NIST
Published: 2018-06-01T13:29:00.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 69.02%

Last modified Jun 17, 2026

CVE-2018-11646 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 69.02% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

69.02%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Webkitgtk	Webkitgtk\+	<= 2.21.3

References

https://bugs.webkit.org/show_bug.cgi?id=186164Issue Tracking, Patch, Vendor Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=795740Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/201808-04Third Party Advisory
https://www.exploit-db.com/exploits/44842/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44876/Exploit, Third Party Advisory, VDB Entry
https://bugs.webkit.org/show_bug.cgi?id=186164Issue Tracking, Patch, Vendor Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=795740Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/201808-04Third Party Advisory
https://www.exploit-db.com/exploits/44842/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/44876/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jun 1, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11646?

How severe is CVE-2018-11646?

Severity scoring for CVE-2018-11646 is pending analysis. The EPSS model estimates a 69.02% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-11646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST