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CVE-2025-36071— IBM Db2 denial of service

Quick assessment

Affected
IBM IBM Db2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 11.5.0至11.5.9版本和12.1.0至12.1.2版本存在安全漏洞，该漏洞源于内存资源释放不当，可能导致拒绝服务。

CVSS 6.5 · Medium EPSS 0.33% · P25
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I. Basic Information for CVE-2025-36071

Vulnerability Information
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Vulnerability Title
IBM Db2 denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.2 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query due to improper release of memory resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Db2 安全漏洞
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 11.5.0至11.5.9版本和12.1.0至12.1.2版本存在安全漏洞，该漏洞源于内存资源释放不当，可能导致拒绝服务。
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
IBM IBM Db2 11.5.0 ~ 11.5.9 cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*

II. Public POCs for CVE-2025-36071

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III. Intelligence Information for CVE-2025-36071

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Same Patch Batch · IBM · 2025-07-29 · 8 CVEs total

CVE-2025-33092 7.8 HIGH IBM Db2 for Linux code execution
CVE-2024-49828 6.5 MEDIUM IBM Db2 for Linux, UNIX and Windows denial of service
CVE-2024-51473 6.5 MEDIUM IBM Db2 for Linux, UNIX and Windows denial of service
CVE-2025-36010 6.5 MEDIUM IBM Db2 for Linux denial of service
CVE-2025-33114 5.3 MEDIUM IBM Db2 for Linux denial of service
CVE-2025-2533 5.3 MEDIUM IBM Db2 for Linux denial of service
CVE-2024-52894 4.9 MEDIUM IBM Db2 for Linux, UNIX and Windows denial of service

IV. Related Vulnerabilities

Same vendor: IBM
Same weakness: CWE-772