What’s Vulnerable › Vulnerabilities

CVE-2023-31419: Elasticsearch StackOverflow vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 61.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-26 · updated 2026-06-17
• Weakness: CWE-121

Description

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

Affected products

• Elasticsearch: from 7.0.0 through 7.17.12; from 8.0.0 through 8.9.0

References

• https://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297
• https://security.netapp.com/advisory/ntap-20231116-0010/
• https://www.elastic.co/community/security
• https://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297
• https://security.netapp.com/advisory/ntap-20231116-0010/
• https://www.elastic.co/community/security

Get alerted when CVE-2023-31419 or the next vulnerability affects your stack