Aggregates CVE and security vulnerability intelligence across all json-c-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk buffer overflow and vendor risk memory corruption and related problems; some flaws may lead to vendor impact memory corruption and vendor impact application crash.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2021-32292 | An issue was discovered in json-c from 20200420 (post 0.14 unreleased code) through 0.15-20200726. A stack-buffer-overflow exists in the auxiliary sample program json_parse which is located in the function parseit. | [email protected] | 9.8 | 1.07% | 2023-08-22 | 2025-06-25 |
| 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. | [email protected] | 7.8 | 1.89% | 2020-05-09 | 2025-11-03 |
| CVE-2013-6371 | The hash functionality in json-c before 0.12 allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted JSON data, involving collisions. | [email protected] | 5.0 | 3.23% | 2014-04-22 | 2026-05-06 |
| CVE-2013-6370 | Buffer overflow in the printbuf APIs in json-c before 0.12 allows remote attackers to cause a denial of service via unspecified vectors. | [email protected] | 5.0 | 4.47% | 2014-04-22 | 2026-05-06 |