CVE-2023-53154

5.5 mediumEPSS 0.3%

Medium (5.5) in cjson project cjson. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

5.5 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2025-05-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19