CVE-2023-53154

MEDIUM EPSS 12.3%
Published May 23, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 23, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
12.3% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
cjson_projectcjson* <1.7.18

References 3

  • github.com https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18
    Release Notes
  • github.com https://github.com/DaveGamble/cJSON/issues/800
    ExploitIssue TrackingVendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.