CVE Database›CVE-2023-26819

CVE-2023-26819

cJSON: cJSON rejects a valid text

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Severity

Low

Red Hat Product Security

2.9

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 · 2.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-440 · Expected Behavior Violation