High7.5NetApp

High [CVE-2026-4046] GNU C Library (glibc) Vulnerability in NetApp Products

This high-severity NetApp advisory covers CVE-2026-4046 affecting Active IQ Unified Manager for VMware vSphere, NetApp HCI Baseboard Management Controller (BMC) - H610S, ONTAP tools for VMware vSphere 10.

NTAP-20260422-0003 Published Apr 22, 2026Updated by vendor Aug 25, 2026

CVE-2026-4046

Affected products & platforms

NetAppAFF / ASA / FASElement SoftwareActive IQ Unified ManagerONTAP tools for VMware

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Summary

Multiple NetApp products incorporate GNU C Library (glibc). Glibc versions through 2.43 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, NetApp HCI Baseboard Management Controller (BMC) - H610S, ONTAP tools for VMware vSphere 10.

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.

Affected versions

2.43

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

ONTAP tools for VMware vSphere 10: 10.5P2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update affected NetApp products to a fixed release: ONTAP tools for VMware vSphere 10: 10.5P2.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

NetApp Product Security Advisories (PSIRT)official
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://security.netapp.com/adv_api/advisory/; this link opens the NetApp advisory index instead of the raw feed document.
NetApp
Official vendor advisoryofficial
Official advisory page fetched and parsed for the summary, affected/fixed versions and remediation guidance it provides.
NetApp

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-4046NVD CVE.org MITRE

Official resources

ONTAP upgrade planning and procedures (target: 10)
Official documentation
This advisory names 10 as the first fixed release — official upgrade documentation for ONTAP upgrade planning and procedures.
NetApp Product Security Advisories
Official documentation
Canonical NetApp PSIRT advisories with affected products, status and remediation guidance.
NetApp Support Site software downloads
Official documentation
Official download location for ONTAP, StorageGRID, SANtricity, SnapCenter and other supported NetApp releases.
NetApp software version support
Official documentation
Official Full Support, Limited Support and End of Version Support policy and dates.

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