Elasticsearch-grok Potential Node Crash due to Large Recursion in `innerForbidCircularReferences` Function
A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to crash.
A successful attack requires a malicious user to have read_pipeline Elasticsearch cluster privilege assigned to them.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.elasticsearch:elasticsearch-grok | >= 7.17.0, < 8.15.1 | 8.15.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-52980
- https://github.com/elastic/elasticsearch/commit/4e5c6801f4d60f100f122072f6bf35b21fd722a5
- https://github.com/elastic/elasticsearch/commit/a02dc7165c75f12701f8d47a2bdefe5283735267
- https://discuss.elastic.co/t/elasticsearch-8-15-1-security-update-esa-2024-34/376919
- https://github.com/elastic/elasticsearch
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- Java / Kotlin (Maven)
- Package
org.elasticsearch:elasticsearch-grok- Disclosed
- 08.04.2025
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-ghfh-p92w-j4mg - CC BY 4.0
Vulnerability history: org.elasticsearch:elasticsearch-grok
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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