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CVE-2025-1991— IBM Informix Dynamic Server denial of service

Quick assessment

Affected
IBM Informix Dynamic Server
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 Informix Dynamic Server（IDS）是美国国际商业机器（IBM）公司的一款可扩展的对象关系数据库服务器，它为集群数据中心提供持续数据可用性和灾难恢复等功能。 IBM Informix Dynamic Server（IDS） 12.10版本、14.10版本和15.0版本存在数字错误漏洞，该漏洞源于处理数据包时的整数下溢，可能导致远程攻击者造成拒绝服务。

CVSS 7.5 · High EPSS 0.44% · P36
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I. Basic Information for CVE-2025-1991

Vulnerability Information
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Vulnerability Title
IBM Informix Dynamic Server denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Informix Dynamic Server 12.10,14.10, and15.0 could allow a remote attacker to cause a denial of service due to an integer underflow when processing packets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Informix Dynamic Server 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Informix Dynamic Server（IDS）是美国国际商业机器（IBM）公司的一款可扩展的对象关系数据库服务器，它为集群数据中心提供持续数据可用性和灾难恢复等功能。 IBM Informix Dynamic Server（IDS） 12.10版本、14.10版本和15.0版本存在数字错误漏洞，该漏洞源于处理数据包时的整数下溢，可能导致远程攻击者造成拒绝服务。
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 Informix Dynamic Server 12.10 cpe:2.3:a:ibm:informix_dynamic_server:12.10:-:*:*:-:*:*:*

II. Public POCs for CVE-2025-1991

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III. Intelligence Information for CVE-2025-1991

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IV. Related Vulnerabilities

Same product: Informix Dynamic Server
Same vendor: IBM
Same weakness: CWE-191

V. Comments for CVE-2025-1991

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