Description
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Elastic | Elasticsearch | 8.0.0 – ≤ 8.19.20, 9.0.0 – ≤ 9.4.5, 9.5.0 – ≤ 9.5.2 | — |
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
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | rubygem-elasticsearch | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | ruby3.2-elasticsearch +3 | No fix yet | — |
Advisories 1
- WID-SEC-2026-3573 Elasticsearch: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 27, 2026