Vulnerability Details CVE-2019-6977
gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.895
EPSS Ranking 99.5%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8