CVE-2023-26819
cJSON: cJSON rejects a valid text
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 19, 2025
Updated · July 1, 2026
Description
A flaw was found in cJSON. Affected versions of cJSON might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 2.9CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-440 · Expected Behavior Violation