CVE-2025-57052

CriticalCVSS 9.8/10Last modified Nov 7, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125CWE-129

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Sep 3, 2025
Last modified
Nov 7, 2026
NVD status
Modified

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CVE-2025-57052: Critical severity, CVSS 9.8 | Vulnix