CVE-2021-40145
CVSS v3
7.5
HIGH
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.
Technical details
- Published
- 2021-08-26
Frequently asked questions
What is CVE-2021-40145?
gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.
Is CVE-2021-40145 actively exploited?
Active exploitation of CVE-2021-40145 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-40145?
CVE-2021-40145 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-40145 affecting your environment?
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