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CVE-2026-72645 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

🗓️ 13 Aug 2026 19:13:33Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Authenticated read-privileged Elasticsearch user triggers excessive memory allocation, exhausting JVM heap and crashing the node.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72645
13 Aug 202619:13
attackerkb
cve
CVE
CVE-2026-72645
13 Aug 202619:13
cve
elastic
Elastic
Elasticsearch 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-116)
13 Aug 202610:47
elastic
euvd
EUVD
EUVD-2026-58282
13 Aug 202619:13
euvd
nvd
NVD
CVE-2026-72645
13 Aug 202620:17
nvd
vulnrichment
Vulnrichment
CVE-2026-72645 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service
13 Aug 202619:13
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Elasticsearch",
    "vendor": "Elastic",
    "versions": [
      {
        "status": "affected",
        "versionType": "semver",
        "version": "8.0.0",
        "lessThanOrEqual": "8.19.19"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.0.0",
        "lessThanOrEqual": "9.4.4"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.5.0"
      }
    ]
  }
]

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