CVE-2023-27559— IBM Db2 denial of service
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I. Basic Information for CVE-2023-27559
Vulnerability Information
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Vulnerability Title
IBM Db2 denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery. IBM X-Force ID: 249196.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
IBM DB2 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DB2是美国国际商业机器（IBM）公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM Db2存在输入验证错误漏洞，该漏洞源于服务器在使用特制子查询时可能会崩溃。以下产品和版本受到影响：IBM Db2 for Linux、UNIX 和 Windows 10.5、11.1 和 11.5等版本。
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 |
|---|---|---|---|---|
| IBM | Db2 for Linux, UNIX and Windows | 10.5, 11.1, 11.5 | - |
II. Public POCs for CVE-2023-27559
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.ibm.com/support/pages/node/6985667vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-27559
Same Patch Batch · IBM · 2023-04-26 · 5 CVEs total
| CVE-2023-26286 | 8.4 HIGH | IBM AIX privilege escalation |
| CVE-2022-41739 | 7.9 HIGH | IBM Spectrum Scale privilege escalation |
| CVE-2022-36769 | 7.2 HIGH | IBM Cloud Pak for Data file upload |
| CVE-2023-29257 | 7.2 HIGH | IBM Db2 code execution |
IV. Related Vulnerabilities
Same vendor: IBM
- CVE-2026-1577
IBM® Db2® is vulnerable to a denial of service with a specia - CVE-2025-36122
IBM® Db2® is vulnerable to a denial of service with a specia - CVE-2025-14688
IBM® Db2® is vulnerable to a denial of service when fetching - CVE-2026-2311
IBM i is affected by a privilege escalation vulnerability in - CVE-2025-36180
Inadequate Pod Communication Restrictions, affects watsonx.d
Same weakness: CWE-20
V. Comments for CVE-2023-27559
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