CVE-2025-57052
cJSON JSON Pointer Out-of-Bounds Access
Description
cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters.
INFO
Published Date :
Sept. 3, 2025, 3:15 p.m.
Last Modified :
Sept. 8, 2025, 5:37 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update cJSON to the latest secure version.
- Sanitize all JSON pointer strings before use.
- Implement robust input validation for JSON data.
Public PoC/Exploit Available at Github
CVE-2025-57052 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-57052.
| URL | Resource |
|---|---|
| https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability | Exploit |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-57052 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-57052
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
None
Smarty
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-57052 vulnerability anywhere in the article.
-
Daily CyberSecurity
CVE-2025-57052: Critical JSON Parsing Flaw in cJSON With CVSS 9.8, PoC Available
Security researcher Salah Chafai, an Exploit Development & Security specialist, has disclosed a critical flaw in the widely used cJSON library, a lightweight JSON parser for C. Tracked as CVE-2025-570 ... Read more
The following table lists the changes that have been made to the
CVE-2025-57052 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 08, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:* versions from (including) 1.5.0 up to (including) 1.7.18 Added Reference Type MITRE: https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability Types: Exploit -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-125 Added CWE CWE-129 -
New CVE Received by [email protected]
Sep. 03, 2025
Action Type Old Value New Value Added Description cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters. Added Reference https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability