Medium severity5.1NVD Advisory· Published Apr 28, 2023· Updated Jun 17, 2026

CVE-2023-27555

Description

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187.

AI Insight

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

Affected products

IBM/DB2 Connect Serverllm-fuzzy
Range: 11.5
IBM/Db2 for Linux, UNIX and Windowsllm-fuzzy
Range: 11.5
IBM/Db2 Recovery Expert for Linux, UNIX and Windowscpe-rescue
Range: 11.5

Patches

Vulnerability mechanics

References

www.ibm.com/support/pages/node/6985683nvdPatchVendor Advisory
exchange.xforce.ibmcloud.com/vulnerabilities/249187nvdVDB EntryVendor Advisory
security.netapp.com/advisory/ntap-20230511-0010/nvd

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