Description
parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called.
Published: 2025-05-23
Score: 2.9 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4216-1 cjson security update
EUVD EUVD EUVD-2023-59777 parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called.
Ubuntu USN Ubuntu USN USN-7973-1 cJSON vulnerabilities
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 16 Jun 2025 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Cjson Project
Cjson Project cjson
CPEs cpe:2.3:a:cjson_project:cjson:*:*:*:*:*:*:*:*
Vendors & Products Cjson Project
Cjson Project cjson

Mon, 26 May 2025 14:15:00 +0000

Type Values Removed Values Added
Title cjson: Heap based buffer overflow at cJSON_ParseWithLength function
References
Metrics threat_severity

None

threat_severity

Low


Fri, 23 May 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 23 May 2025 15:30:00 +0000

Type Values Removed Values Added
Description parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called.
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Cjson Project Cjson
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-03T19:28:58.976Z

Reserved: 2025-05-23T00:00:00.000Z

Link: CVE-2023-53154

cve-icon Vulnrichment

Updated: 2025-11-03T19:28:58.976Z

cve-icon NVD

Status : Modified

Published: 2025-05-23T16:15:22.080

Modified: 2025-11-03T20:16:06.467

Link: CVE-2023-53154

cve-icon Redhat

Severity : Low

Publid Date: 2025-05-23T00:00:00Z

Links: CVE-2023-53154 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses