hjson stack exhaustion vulnerability
An issue was discovered hjson through 3.0.0 allows attackers to cause a denial of service or other unspecified impacts via crafted objects that deeply nested structures.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | laktak/hjson | < 2.3.0 | 2.3.0 |
| Java / Kotlin (Maven) | org.hjson:hjson | < 3.0.1 | 3.0.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-34620
- https://github.com/hjson/hjson-java/issues/24
- https://github.com/hjson/hjson-cpp/pull/54
- https://github.com/hjson/hjson-go/pull/67
- https://github.com/hjson/hjson-php/pull/45
- https://github.com/hjson/hjson-go/commit/326599cebc6ef759892f473bf1439b98466a99fa
- https://github.com/hjson/hjson-php/commit/2d1b8b4b158a8d841f3a228f267c7cd84fe5a4fa
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400, CWE-674, CWE-787- Platform
- Composer, Java / Kotlin (Maven)
- Package
laktak/hjson, org.hjson:hjson- Disclosed
- 14.06.2023
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5wfc-hjrc-gq87 - CC BY 4.0
Vulnerability history: laktak/hjson
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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