CVE-2026-5946 ISC BIND Vulnerability in NetApp Products
Summary
Multiple NetApp products incorporate ISC BIND. ISC BIND versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, and 9.21.0 through 9.21.21 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). Affected products: Active IQ Unified Manager for VMware vSphere, ONTAP 9. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.
What this means
In plain English
Multiple NetApp products incorporate ISC BIND. ISC BIND versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, and 9.21.0 through 9.21.21 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to Denial of Service (DoS). Affected products: Active IQ Unified Manager for VMware vSphere, ONTAP 9. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time. Successful exploitation can interrupt the affected service or exhaust resources, reducing availability until the component recovers.
Vulnerable items
- Active IQ Unified Manager for VMware vSphere — Active IQ Unified Manager for VMware vSphere is a NetApp management component used to administer connected systems or services.
- ONTAP 9 — NetApp ONTAP is the storage operating system used across NetApp enterprise storage systems.
Recommended action
Primary action: update to a vendor-listed fixed release: Active IQ Unified Manager for VMware vSphere: 9.18P2. Vendor mitigation: Update affected NetApp products to a fixed release: Active IQ Unified Manager for VMware vSphere: 9.18P2.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
- 9.11.0
- 9.16.50
- 9.18.0
- 9.18.48
- 9.20.0
- 9.20.22
- 9.21.0
- 9.21.21
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- Active IQ Unified Manager for VMware vSphere: 9.18P2
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Update affected NetApp products to a fixed release: Active IQ Unified Manager for VMware vSphere: 9.18P2.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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