CVE-2020-12762
CVSS v3
7.8
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.
Technical details
- Published
- 2020-05-09
Frequently asked questions
What is CVE-2020-12762?
json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.
Is CVE-2020-12762 actively exploited?
Active exploitation of CVE-2020-12762 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-12762?
CVE-2020-12762 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2020-12762 affecting your environment?
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