Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding only read privileges on a single index can submit one small, specially crafted search request that causes an excessively large memory allocation, exhausting the JVM heap and terminating the affected node.
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History
Thu, 13 Aug 2026 19:30:00 +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 holding only read privileges on a single index can submit one small, specially crafted search request that causes an excessively large memory allocation, exhausting the JVM heap and terminating the affected node. | |
| Title | Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service | |
| Weaknesses | CWE-789 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: elastic
Published:
Updated: 2026-08-13T20:28:53.313Z
Reserved: 2026-08-10T11:17:35.481Z
Link: CVE-2026-72645
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Status : Received
Published: 2026-08-13T20:17:24.927
Modified: 2026-08-13T20:17:24.927
Link: CVE-2026-72645
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OpenCVE Enrichment
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Weaknesses