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OpenAdvisories
Medium · 6.5 CVE-2026-115715 EUVD-2026-116080GHSA-wj87-446p-485m

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

Published Nov 3, 2026 · Updated Nov 3, 2026 · Assigned by elastic

Description

Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to denial of service via a specially crafted input value that is processed by an affected phonetic encoder of the analysis-phonetic plugin. An authenticated user with permission to write documents to or run searches against an index that uses an affected encoder can cause an Elasticsearch node to exhaust its heap memory. The node can become unresponsive or terminate.

Affected products

VendorProductAffectedFixed
Elastic Elasticsearch 8.0.0 – ≤ 8.19.23, 9.0.0 – ≤ 9.4.8, 9.5.0 – ≤ 9.5.5 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 rubygem-elasticsearch No fix yet —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling ruby3.3-elasticsearch +2 No fix yet —

Advisories 1

References