CVE-2018-11646

Name	CVE-2018-11646
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
webkit2gtk (PTS)	jessie	2.6.2+dfsg1-4	vulnerable
	stretch	2.18.6-1~deb9u1	vulnerable
	buster, sid	2.22.6-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
webkit2gtk	source	(unstable)	2.20.3-1	unimportant

Notes

https://bugs.webkit.org/show_bug.cgi?id=186164
Was found while investigting CVE-2018-11396 in epiphany, cf.
https://bugzilla.gnome.org/show_bug.cgi?id=795740 but is a
different issue.
Not covered by security support
https://webkitgtk.org/security/WSA-2018-0005.html