Vulnerability Description
cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cjson Project | Cjson | 1.7.15 |
Related Weaknesses (CWE)
References
- https://github.com/boofish/json_bugs/tree/main/cjsonExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html
FAQ
What is CVE-2023-26819?
CVE-2023-26819 is a vulnerability with a CVSS score of 2.9 (LOW). cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
How severe is CVE-2023-26819?
CVE-2023-26819 has been rated LOW with a CVSS base score of 2.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-26819?
Check the references section above for vendor advisories and patch information. Affected products include: Cjson Project Cjson.