Elasticsearch allocation of resources without limits or throttling leads to crash

Scope

What the vendor says is affected

• cbl2 rubygem-elasticsearch 8.3.0-1
• azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux 3.0
• cbl2 rubygem-elasticsearch 8.3.0-1 on CBL-Mariner 2.0

Timeline

When this advisory changed

1. Aug 12, 2026 at 9:58 PM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Oct 6, 2026 at 7:55 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2024-43709View CVSS, KEV, EPSS, and threat context