CVE-2023-26819

2.9 lowEPSS 0.2%

Low (2.9) in cjson project cjson. EPSS 0.2% chance of exploitation in the next 30 days.

cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.

Severity

CVSS 3.1

2.9 low

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-440
Published: 2025-04-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cjson_project:cjson

References

https://github.com/boofish/json_bugs/tree/main/cjson
https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html

Check your stack JSON