In short
- CVE-2023-24620 is a MEDIUM (CVSS 5.5) vulnerability affecting com.esotericsoftware.yamlbeans:yamlbeans, yamlbeans (esotericsoftware).
- Chance of exploitation in the next 30 days (EPSS): 0.36%, higher than 30.4% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
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.
NVD 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.
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