CVE-2023-53154

low-risk
Published 2025-05-23

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.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.9/10 Low
LOCAL / HIGH complexity

Affected Products (1)

Cjson

Affected Vendors

13
/ 100
low-risk
Severity 8/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal