CVE-2023-53154
CVE-2023-53154 is a low-severity vulnerability in Cjson Project Cjson with a CVSS 3.x base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Low (CVSS 3.x base score 2.9)
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-59777
- Weakness: CWE-125
- Affected product: Cjson Project Cjson
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-53154?
- CVE-2023-53154 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2023-53154 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-53154?
- CVE-2023-53154 affects Cjson Project Cjson. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-53154?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-53154 have an EU (EUVD) identifier?
- Yes. CVE-2023-53154 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59777.
- When was CVE-2023-53154 published?
- CVE-2023-53154 was published on 2025-05-23 and last updated on 2026-06-17.
References
- https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18
- https://github.com/DaveGamble/cJSON/issues/800
- https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html
Affected products (1)
- cpe:2.3:a:cjson_project:cjson:*:*:*:*:*:*:*:*
More vulnerabilities in Cjson Project Cjson
- CVE-2024-31755 — High (CVSS 7.6): cJSON v1.7.17 was discovered to contain a segmentation violation, which can trigger through the second parameter of…
- CVE-2023-26819 — Low (CVSS 2.9): cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": […
All CVEs affecting Cjson Project Cjson →
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