NULL pointer dereference in GraphicsMagick - CVE-2016-7997
Published: January 18, 2017 / Updated: August 3, 2020
Vulnerability identifier: #VU33183
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-2016-7997
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GraphicsMagick Group
Affected software:
GraphicsMagick
GraphicsMagick
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The WPG format reader in GraphicsMagick 1.3.25 and earlier allows remote attackers to cause a denial of service (assertion failure and crash) via vectors related to a ReferenceBlob and a NULL pointer.
How to mitigate CVE-2016-7997
Install update from vendor's website.