CVE-2018-18718

Name	CVE-2018-18718
Description	An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.
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)
References	DLA-1567-1
NVD severity	medium (attack range: local)
Debian Bugs	912290

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
gthumb (PTS)	jessie	3:3.3.1-2	vulnerable
	jessie (security)	3:3.3.1-2.1+deb8u1	fixed
	stretch	3:3.4.4.1-5	vulnerable
	buster, sid	3:3.6.2-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
gthumb	source	(unstable)	3:3.6.2-2	unimportant		912290
gthumb	source	jessie	3:3.3.1-2.1+deb8u1	medium	DLA-1567-1

https://gitlab.gnome.org/GNOME/gthumb/issues/18
Crash in end user application, no security impact