Double Free in gThumb - CVE-2018-18718
Published: October 31, 2018 / Updated: April 12, 2021
Vulnerability identifier: #VU15655
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-18718
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
gThumb
gThumb
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a double free error in add_themes_from_dir() method in dlg-contact-sheet.c. A remote attacker can create a specially crafted image file, trick the victim into opening it, trigger a double free error and crash the affected application.
How to mitigate CVE-2018-18718
Install update from vendor's website.