CVE-2023-31419— Elasticsearch StackOverflow vulnerability
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I. Basic Information for CVE-2023-31419
Vulnerability Information
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Vulnerability Title
Elasticsearch StackOverflow vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Elasticsearch 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elasticsearch是一个基于Lucene库的搜索引擎。 Elasticsearch 存在缓冲区错误漏洞，该漏洞源于 _search API允许特制查询字符串导致堆栈溢出并最终导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Elastic | Elasticsearch | 7.0.0 ~ 7.17.12 | - |
II. Public POCs for CVE-2023-31419
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Elasticsearch Stack Overflow Vulnerability | https://github.com/sqrtZeroKnowledge/Elasticsearch-Exploit-CVE-2023-31419 | POC Details |
| 2 | Elasticsearch DoS CVE-2023-31419 exploit | https://github.com/u238/Elasticsearch-CVE-2023-31419 | POC Details |
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Same Patch Batch · Elastic · 2023-10-26 · 8 CVEs total
| CVE-2023-31422 | 9.0 CRITICAL | Kibana Insertion of Sensitive Information into Log File |
| CVE-2023-46667 | 8.1 HIGH | Fleet Server Insertion of Sensitive Information into Log File |
| CVE-2023-31418 | 7.5 HIGH | Elasticsearch uncontrolled resource consumption |
| CVE-2023-31421 | 5.9 MEDIUM | Beats, Elastic Agent, APM Server, and Fleet Server Improper Certificate Validation issue |
| CVE-2023-46666 | 5.3 MEDIUM | Elastic Sharepoint Online Python Connector Improper Access Control |
| CVE-2023-31416 | 5.3 MEDIUM | Elastic Cloud on Kubernetes (ECK) secret token configuration issue |
| CVE-2023-31417 | 4.1 MEDIUM | Elasticsearch Insertion of sensitive information in audit logs |
IV. Related Vulnerabilities
Same product: Elasticsearch
- CVE-2025-68390
Elasticsearch Allocation of Resources Without Limits or Thro - CVE-2025-68384
Elasticsearch Allocation of Resources Without Limits or Thro - CVE-2025-37731
Elasticsearch Improper Authentication - CVE-2025-37727
Elasticsearch Insertion of sensitive information in log file - CVE-2024-52979
Elasticsearch Uncontrolled Resource Consumption vulnerabilit
Same vendor: Elastic
- CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic - CVE-2026-33466
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-33458
Server-Side Request Forgery (SSRF) in Kibana One Workflow Le - CVE-2026-33459
Uncontrolled Resource Consumption in Kibana Leading to Denia - CVE-2026-33460
Incorrect Authorization in Kibana Fleet Leading to Informati
V. Comments for CVE-2023-31419
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