Out-of-bounds Read in Cjson Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (17.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Cjson Project — versions 0
- Cjson Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18 (Release Notes)
- github.com/DaveGamble/cJSON/issues/800 (Exploit, Issue Tracking, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-53154?
- CVE-2023-53154 is a low-severity vulnerability in Cjson Project, classified under Out-of-bounds Read. CVSS score: 2.9/10. Published 2025-05-23.
- How severe is CVE-2023-53154?
- Low severity. CVSS v3 base score is 2.9 out of 10.
- Is CVE-2023-53154 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.