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CVE-2026-13473 IBM CVE debrief

IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash. This vulnerability affects users of IBM Storage Protect Client within the specified versions. The issue has a high severity score and requires immediate attention from affected operators, platform administrators, vulnerability management teams, and security teams.

Vendor
IBM
Product
Storage Protect Client
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-17
Original CVE updated
2026-08-11
Advisory published
2026-07-17
Advisory updated
2026-08-11

Who should care

Users of IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 should apply vendor remediation to address a heap-based buffer overflow vulnerability. Affected operators, platform administrators, vulnerability management teams, and security teams should review the vulnerability and take necessary actions. They should also verify affected product deployments, review official advisories, and track exceptions.

Technical summary

IBM Storage Protect Client is vulnerable to a heap-based buffer overflow due to improper bounds checking. A remote attacker could exploit this vulnerability to execute arbitrary code on the system or cause the server to crash. The vulnerability is present in IBM Storage Protect Client versions 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0. This issue affects users of IBM Storage Protect Client within the specified versions, who should apply vendor remediation to address the vulnerability.

Defensive priority

High

Recommended defensive actions

  • Apply vendor remediation
  • Inventory and verify affected systems
  • Implement compensating controls
  • Review official advisory or CVE record
  • Confirm whether affected product deployments exist
  • Plan vendor-supported updates or mitigations
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record was published on 2026-07-17T20:17:14.827Z and has not been modified since then. The NVD entry is currently being reviewed. Evidence is limited to CVE and NVD details. Defenders should verify affected product deployments, review official advisories, and track exceptions. Limited source detail suggests verifying system configurations and reviewing vendor guidance for remediation steps.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-13473 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-13473

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

  • CVE-2026-13473 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-13473

    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.