CVEvulnerability
CVE-2023-24620
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-08-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-611
Description
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.
Affected configurations
• esotericsoftware yamlbeans (<= 1.15)
Related
Weakness · CWE (1)
- CWE-611 Improper Restriction of XML External Entity Reference weakness
References
- https://contrastsecurity.com Third Party Advisory
- https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md Exploit, Third Party Advisory
- https://github.com/EsotericSoftware Third Party Advisory
- https://contrastsecurity.com Third Party Advisory
- https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md Exploit, Third Party Advisory
- https://github.com/EsotericSoftware Third Party Advisory