CVE-2018-16981
CVSS v3
8.8
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi__out_gif_code function.
Technical details
- Published
- 2018-09-12
Frequently asked questions
What is CVE-2018-16981?
stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi__out_gif_code function.
Is CVE-2018-16981 actively exploited?
Active exploitation of CVE-2018-16981 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-16981?
CVE-2018-16981 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2018-16981 affecting your environment?
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