Description
Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.
Published: 2026-10-06
Score: 6.5 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 06 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 06 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
Description Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.
Title Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
Weaknesses CWE-789
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-10-06T19:53:45.426Z

Reserved: 2026-09-29T20:57:38.467Z

Link: CVE-2026-103005

cve-icon Vulnrichment

Updated: 2026-10-06T19:53:41.119Z

cve-icon NVD

Status : Received

Published: 2026-10-06T20:17:13.597

Modified: 2026-10-06T20:17:13.597

Link: CVE-2026-103005

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-06T20:30:05Z

Weaknesses
  • CWE-789

    Memory Allocation with Excessive Size Value