CVE-2023-53154

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.

CVSS v3 2.9 LOW

2.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18	Release Notes
https://github.com/DaveGamble/cJSON/issues/800	Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html
https://github.com/DaveGamble/cJSON/issues/800	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cjson_project:cjson:*:*:*:*:*:*:*:*

History

03 Nov 2025, 20:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html -

16 Jun 2025, 18:21

Type	Values Removed	Values Added
First Time		Cjson Project Cjson Project cjson
CPE		cpe:2.3:a:cjson_project:cjson::::::::
References	~~() https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18 -~~	() https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18 - Release Notes
References	~~() https://github.com/DaveGamble/cJSON/issues/800 -~~	() https://github.com/DaveGamble/cJSON/issues/800 - Exploit, Issue Tracking, Vendor Advisory

28 May 2025, 14:58

Type	Values Removed	Values Added
Summary		(es) parse_string en cJSON anterior a 1.7.18 tiene una sobrelectura de búfer basada en montón a través de {"1":1, sin nueva línea final si se llama a cJSON_ParseWithLength.

23 May 2025, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-23 16:15

Updated : 2025-11-03 20:16

NVD link : CVE-2023-53154

Mitre link : CVE-2023-53154

CVE.ORG link : CVE-2023-53154

JSON object : View

Products Affected

cjson_project

cjson

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2023-53154", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.9, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.4}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-05-23T16:15:22.080", "references": [{"url": "https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://github.com/DaveGamble/cJSON/issues/800", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/DaveGamble/cJSON/issues/800", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "parse_string en cJSON anterior a 1.7.18 tiene una sobrelectura de b\u00fafer basada en mont\u00f3n a trav\u00e9s de {\"1\":1, sin nueva l\u00ednea final si se llama a cJSON_ParseWithLength."}], "lastModified": "2025-11-03T20:16:06.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cjson_project:cjson:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB89DBA4-DAFF-437E-B8C7-D9096DDD5D95", "versionEndExcluding": "1.7.18"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}