CVE-2025-57052

CRITICAL EPSS 48.3%

Published Sep 3, 20259mo ago · Modified Jun 17, 20261w ago

9.8 CVSS 3.1

Critical

Published Sep 3, 2025 9mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

48.3% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 2

CWE-125 Out-of-bounds Read Memory Safety

CWE-129

Affected Products 1

Vendor	Product	Version	Range
davegamble	cjson	*	≥1.5.0 – ≤1.7.18

References 2

lists.debian.org https://lists.debian.org/debian-lts-announce/2025/09/msg00019.html
x-0r.com https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability

Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.