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.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Vendor Advisory
https://github.com/DaveGamble/cJSON/issues/800
Scores
CVSS v3
2.9
EPSS
0.0009
EPSS Percentile
25.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
cjson_project/cjson
< 1.7.18
Published
May 23, 2025
Tracked Since
Feb 18, 2026