## Elasticsearch 8.19.23, 9.4.8, 9.5.5 Security Update (ESA-2026-198)

- 種別: advisory
- 関連技術: elasticsearch
- 公開日時: 2026-10-06T18:52:02.000Z
- 情報源: Elastic Security Announcements (https://discuss.elastic.co/t/elasticsearch-8-19-23-9-4-8-9-5-5-security-update-esa-2026-198/390872)
- パーマリンク: https://vulnpulse.app/items/elastic-security-a2985a5dbb4b

Uncontrolled Recursion in Elasticsearch Leading to Denial of Service Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to Denial of Service via a specially crafted request that causes the server to construct and process a deeply nested data structure with no bound on recursion depth. Elasticsearch contains an uncontrolled recursion weakness in how it builds and serializes geometry values produced by scripted runtime fields. Unlike geometry supplied as text, which is subject to a nesting-depth limit, geometry constructed from a script's output is not bounded. An authenticated user wit…