What is GHSA-vgfg-5pqm-8394?

GHSA-vgfg-5pqm-8394 is a security advisory published by GitHub Security Advisories with Medium severity. Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of...

Which CVE IDs does GHSA-vgfg-5pqm-8394 cover?

GHSA-vgfg-5pqm-8394 covers the following CVE IDs: CVE-2026-72645. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vgfg-5pqm-8394?

GHSA-vgfg-5pqm-8394 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-vgfg-5pqm-8394MediumCVSS 6.5

Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of...

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-72645 →

📋 Description

Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding only read privileges on a single index can submit one small, specially crafted search request that causes an excessively large memory allocation, exhausting the JVM heap and terminating the affected node.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-72645
https://discuss.elastic.co/t/elasticsearch-8-19-20-9-4-5-9-5-1-security-update-esa-2026-116/389502
https://github.com/advisories/GHSA-vgfg-5pqm-8394