CVSS v3
9.8
CRITICAL
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in njs_function_native_call in njs/njs_function.c.
Technical details
- Published
- 2019-05-20
Frequently asked questions
What is CVE-2019-12208?
njs through 0.3.1, used in NGINX, has a heap-based buffer overflow in njs_function_native_call in njs/njs_function.c.
Is CVE-2019-12208 actively exploited?
Active exploitation of CVE-2019-12208 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-12208?
CVE-2019-12208 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-12208 affecting your environment?
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