An issue was discovered in Esoteric YamlBeans through 1.15.
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | com.esotericsoftware.yamlbeans:yamlbeans (Maven) | up to 1.15 | — | No fix listed | GHSA-vj49-j7rc-h54f |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.esotericsoftware.yamlbeans:yamlbeans (Maven) Vendor— Affected up to 1.15 Fixed in — No fix listed GHSA-vj49-j7rc-h54f
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:* | up to 1.15 | Vulnerable | Esotericsoftware |
- cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:* Versions up to 1.15 Vulnerable ·Esotericsoftware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-24620
- 2026-10-03 Alias added: GHSA-vj49-j7rc-h54f
References
More Esotericsoftware Yamlbeans vulnerabilities
- TI-2023-10229 An issue was discovered in Esoteric YamlBeans through 1.15. CVSS 3.1HIGH 7.8
Sources
- CVE-2023-24620 · CVE Program
- CVE-2023-24620 · NVD
- FIRST EPSS
- GHSA-vj49-j7rc-h54f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences