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Vulnerability record · public intelligence
CVE-2023-30431
HIGH

IBM Db2 buffer overflow

Published Jul 9, 2023 · Updated Oct 23, 2026

Severity · CVSSHIGH · 8.4
Known exploitationNot listed
EPSS / likelihood0.32%
QFinch risk score10 / 100

Original summary

Normalized public record · Updated Oct 23, 2026

IBM Db2 buffer overflow

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 db2set is vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code. IBM X-Force ID: 252184.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
MEDIUM
Confidence
10%
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. www.ibm.com ↗
  2. exchange.xforce.ibmcloud.com ↗
  3. security.netapp.com ↗

Record history

Published Jul 9, 2023 · Last refreshed Oct 23, 2026