01 Record

CVE-2026-72639

Memory Allocation with Excessive Size Value in Elasticsearch Highlighting Leading to Denial of Service

MediumPUBLISHEDCNA: elastic

Base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

02 Description

Memory Allocation with Excessive Size Value in Elasticsearch Highlighting Leading to Denial of Service

Published: 2026-08-13 19:13Z23 HR AGO
Last updated: 2026-08-13 20:28Z22 HR AGO
Reserved: 2026-08-10
Assigning CNA: elastic
Record state: PUBLISHED
Severity: Medium (CVSS 6.5)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses: CWE-789
SSVC decision: ExploitationnoneAutomatablenoTechnical Impactpartial
Data version: 5.2
Document digest: 8551c49017099f1b5126dc7076dab4e66cf4cb036fe97e495460636f729850dc

VendorProductVersionsPlatforms

ElasticElasticsearch8.19.0 to 8.19.19, 9.3.0 to 9.5.0—