VULNERABILITY INTELLIGENCE

CVE-2023-24620

CVSS score5.5 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2023-08-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-611

Primary references