Bug 1646708 (CVE-2018-18718)

Summary:	CVE-2018-18718 gthumb: double-free in the add_themes_from_dir method in dlg-contact-sheet.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	chkr, john.j5live, mclasen, psampaio, rhughes, rstrode, sandmann
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2018-11-21 10:33:57 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1646709, 1646710
Bug Blocks:	1646711

Description Laura Pardo 2018-11-05 21:25:19 UTC

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. 


References:
https://gitlab.gnome.org/GNOME/gthumb/issues/18

Comment 1 Laura Pardo 2018-11-05 21:26:03 UTC

Created gthumb tracking bugs for this issue:

Affects: epel-7 [bug 1646710]
Affects: fedora-all [bug 1646709]

Comment 2 Adam Mariš 2018-11-21 10:33:26 UTC

Statement:

This issue did not affect the versions of gthumb as shipped with Red Hat Enterprise Linux 5 and 6 as they did not include the vulnerable code.