CVSS v3
8.8
HIGH
EPSS Score
87.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2019-01-27
- Exploit-DB
- EDB-46677
Frequently asked questions
What is 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.
Is CVE-2019-6977 actively exploited?
Active exploitation of CVE-2019-6977 has not been confirmed. The EPSS score is 87.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-6977?
CVE-2019-6977 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-6977 affecting your environment?
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