CVE-2023-24620: XEE

Published Aug 25, 2023
·
Updated

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 Software

2 affected components
maven/com.esotericsoftware.yamlbeans:yamlbeans<=1.15
Esotericsoftware Yamlbeans<=1.15

Event History

Aug 25, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Advisory Published
09:30 PM
Data Sourced
via GitHub·09:30 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-24620?

CVE-2023-24620 has been classified as a high-severity vulnerability due to its potential for XML Entity Expansion attacks.

2

How do I fix CVE-2023-24620?

To fix CVE-2023-24620, update the YamlBeans library to version 1.16 or later.

3

What software is affected by CVE-2023-24620?

CVE-2023-24620 affects Esoteric YamlBeans versions up to and including 1.15.

4

What kind of attack does CVE-2023-24620 enable?

CVE-2023-24620 enables an XML Entity Expansion attack through crafted YAML documents.

5

How does CVE-2023-24620 exploit the YAML Anchor feature?

CVE-2023-24620 exploits the YAML Anchor feature to generate a small YAML document that expands to a large size when processed.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203