Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
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.
CVE-2026-103005
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103005
Elasticsearch
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Elastic",
"product": "Elasticsearch",
"versions": [
{
"status": "affected",
"version": "8.12.0",
"versionType": "semver",
"lessThanOrEqual": "8.19.22"
},
{
"status": "affected",
"version": "9.0.0",
"versionType": "semver",
"lessThanOrEqual": "9.3.8"
},
{
"status": "affected",
"version": "9.4.0",
"versionType": "semver",
"lessThanOrEqual": "9.4.7"
},
{
"status": "affected",
"version": "9.5.0",
"versionType": "semver",
"lessThanOrEqual": "9.5.4"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103005
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #9566 · Revision 1
- Added to Heist Feed
- Publisher date