VYPR
Unrated severityNVD Advisory· Published Jul 10, 2023· Updated Feb 13, 2025

IBM Db2 denial of service

CVE-2023-30442

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 federated server is vulnerable to a denial of service as the server may crash when using a specially crafted wrapper using certain options. IBM X-Force ID: 253202.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

IBM Db2 federated server (11.1 and 11.5) can crash via a specially crafted wrapper, leading to denial of service.

Vulnerability

IBM Db2 for Linux, UNIX and Windows (including Db2 Connect Server) versions 11.1.4.7 and 11.5.x are affected. The federated server may crash when using a specially crafted wrapper with certain options [1].

Exploitation

An attacker with network access and no authentication can exploit this by providing a specially crafted wrapper to the federated server. The attack complexity is high, but no user interaction is required [1].

Impact

Successful exploitation causes the federated server to crash, resulting in a denial of service. There is no impact on confidentiality or integrity [1].

Mitigation

IBM has released special builds containing an interim fix for this issue. Affected customers can download the special build for V11.1.4 FP7 or V11.5.8 (available for V11.5.7) from Fix Central [1].

AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

2

Patches

0

No patches discovered yet.

Vulnerability mechanics

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References

3

News mentions

0

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