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CVE-2025-14688 IBM CVE debrief

IBM Db2 vulnerability CVE-2025-14688 allows authenticated users to cause denial of service due to improper neutralization of special elements in data query logic when certain configurations exist. Affected versions include 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 for Linux, UNIX, and Windows. This vulnerability requires patching and monitoring by Db2 administrators and security teams. The CVE record and NVD entry provide details on the vulnerability, and IBM has released a vendor advisory.

Vendor
IBM
Product
Db2
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-30
Original CVE updated
2026-09-30
Advisory published
2026-04-30
Advisory updated
2026-09-30

Who should care

Db2 administrators and security teams responsible for patching and monitoring IBM Db2 installations should be aware of this vulnerability. They should verify affected versions, apply patches, and monitor for potential exploitation attempts. This vulnerability requires attention from operators, platform administrators, and vulnerability management teams to ensure the security and integrity of database services.

Why it matters

CVE-2025-14688 is a medium-severity denial of service vulnerability in IBM Db2 that requires patching and monitoring. Db2 administrators should verify affected versions, apply patches, and monitor for potential exploitation attempts.

  • Potential disruption of database services
  • Need for verification of affected versions and configurations
  • Priority patching for medium-severity vulnerability
  • Monitoring for exploitation attempts

Technical summary

CVE-2025-14688 is a denial of service vulnerability in IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 for Linux, UNIX, and Windows. An authenticated user could exploit improper neutralization of special elements in data query logic. This vulnerability requires patching and monitoring by Db2 administrators and security teams. The CVE record and NVD entry provide details on the vulnerability, and IBM has released a vendor advisory. Affected versions and configurations should be verified, and patches should be applied.

Defensive priority

Medium-priority patching for Db2 administrators

Recommended defensive actions

  • Review and apply IBM Db2 patches for affected versions
  • Verify configurations and monitor for potential exploitation attempts
  • Update inventory records for Db2 installations
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. IBM has released a vendor advisory. Affected versions include 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 for Linux, UNIX, and Windows. Db2 administrators should verify affected versions, apply patches, and monitor for potential exploitation attempts. The vulnerability allows authenticated users to cause denial of service due to improper neutralization of special elements in data query logic when certain configurations exist.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-14688 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-14688

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-14688 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-14688

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.