Vulnerability DatabaseCVE-2025-57052
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CVE-2025-57052
September 03, 2025
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.
Related Resources (3)
https://security-tracker.debian.org/tracker/CVE-2025-57052
https://lists.debian.org/debian-lts-announce/2025/09/msg00019.html
https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Validation of Array Index
CWE-129
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.14