Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-53154
CVE-2025-53154:
vulnerability analysis and mitigation
Overview
The vulnerability CVE-2023-53154 affects the cJSON library versions before 1.7.18. It involves a heap-based buffer over-read vulnerability in the parsestring function that can be triggered via a specific JSON input with the format {"1":1} when there is no trailing newline and cJSONParseWithLength is called (NVD).
Technical details
The vulnerability is classified as an Out-of-bounds Read (CWE-125) issue. It has received varying CVSS v3.1 severity ratings, with NIST assigning a Medium severity score of 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) while MITRE assigned a Low severity score of 2.9 (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L) (NVD).
Impact
The vulnerability primarily affects the availability of the system through a heap-based buffer over-read condition. According to the CVSS metrics, while there is no impact on confidentiality or integrity, it can result in high availability impact under certain conditions (NVD).
Mitigation and workarounds
The vulnerability has been fixed in cJSON version 1.7.18. Users are advised to upgrade to this version or later to address the security issue (Github Release).
Additional resources
Source: This report was generated using AI
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