Vulnerability in Cjson Project
CVE-2023-26819
cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Cjson Project — versions 1.7.15
- Cjson_project Cjson — versions 1.7.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-26819?
- CVE-2023-26819 is a low-severity vulnerability in Cjson Project, classified under Expected Behavior Violation. CVSS score: 2.9/10. Published 2025-04-19.
- How severe is CVE-2023-26819?
- Low severity. CVSS v3 base score is 2.9 out of 10.
- Is CVE-2023-26819 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.