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CVE-2026-16179 IBM CVE debrief

IBM DataPower Gateway Buffer Underwrite: A heap buffer underwrite vulnerability could allow an attacker to potentially crash the service. Defenders should assess exposure, prioritize remediation, and verify affected versions. The vulnerability affects IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Vendor
IBM
Product
DataPower Gateway 10.6CD
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-08
Original CVE updated
2026-10-08
Advisory published
2026-10-08
Advisory updated
2026-10-08

Who should care

Defenders responsible for IBM DataPower Gateway deployments should assess exposure and prioritize remediation to ensure service availability.

Why it matters

Defenders should assess exposure to the IBM DataPower Gateway buffer underwrite vulnerability and prioritize remediation to prevent potential service crashes.

  • Potential service crash due to heap buffer underwrite
  • Need to verify affected versions and assess exposure
  • Remediation priority based on service criticality

Technical summary

A heap buffer underwrite vulnerability in IBM DataPower Gateway could allow an attacker to potentially crash the service. Affected versions include 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2.

Defensive priority

Defenders should prioritize verifying affected versions and assessing exposure to ensure service availability.

Recommended defensive actions

  • Verify affected versions of IBM DataPower Gateway
  • Assess exposure to the vulnerability
  • Prioritize remediation based on service criticality

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and potential impact. The vulnerability is a heap buffer underwrite, which could allow an attacker to potentially crash the service. Defenders should verify affected versions and assess exposure to ensure service availability. The official CVE Program record and NIST NVD detail page provide source-provided CVE metadata and source-specific vulnerability assessment.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16179 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16179

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

  • CVE-2026-16179 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16179

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

Supplemental references

  • IBM DataPower Gateway Buffer Underwrite

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/16xxx/CVE-2026-16179.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.ibm.com/support/pages/node/7289775

    Supplemental source - vendor-advisory, patch

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.