CVE-2026-103005
Fixed in a distro release EPSS <1%CVSS 6.5
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.
Products: Elasticsearch
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | elasticsearch-9.2 | no fix |
| Chainguard | elasticsearch-9.3 | no fix |
| Chainguard | ruby3.3-elasticsearch | no fix |
| Chainguard | ruby3.4-elasticsearch | 0 |
| Chainguard | ruby4.0-elasticsearch | 0 |
| Chainguard | ruby4.0-elasticsearch | no fix |
| Wolfi | ruby3.3-elasticsearch | no fix |
| Wolfi | ruby3.4-elasticsearch | 0 |
| Wolfi | ruby4.0-elasticsearch | 0 |
| Wolfi | ruby4.0-elasticsearch | no fix |