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TI-2023-10228 Aliases CVE-2023-24620GHSA-vj49-j7rc-h54f

An issue was discovered in Esoteric YamlBeans through 1.15.

Priority MEDIUM 58CWE-611Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00364 30th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.esotericsoftware.yamlbeans:yamlbeans (Maven)up to 1.15—No fix listedGHSA-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

CPEVersionsRoleVendor
cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:*up to 1.15VulnerableEsotericsoftware
  • cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:* Versions up to 1.15 Vulnerable ·Esotericsoftware

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24620
  2. 2026-10-03 Alias added: GHSA-vj49-j7rc-h54f

References

  • TI-2023-10229 An issue was discovered in Esoteric YamlBeans through 1.15. CVSS 3.1HIGH 7.8

Sources