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NTAP-20260924-0027 — CVE-2026-58012 GLib Vulnerability in NetApp Products

Published 2026-09-24 · Updated 2026-09-24 · Status: Interim · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes

Official advisory: NTAP-20260924-0027 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Baseboard management controllers · Active IQ Unified Manager · Brocade SAN firmware · ONTAP · Other NetApp products · NetApp Console / BlueXP · SolidFire / NetApp HCI · SnapCenter | ONTAP-relevant | highest CVSS: 6.5

CVEs in this advisory

CVE-2026-58012 — MEDIUM · CVSS 6.5 · site index

What the CVE records say

CVE-2026-58012 — A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_REGEX_RAW` compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the string is treated as raw bytes. This vulnerability can cause a minor information disclosure of 1-5 bytes and a denial of service when the buffer over-read crosses a page boundary.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information or Denial of Service (DoS).

Affected products

AFF/ASA/FAS Baseboard Management Controller (BMC) - A1K/A90/A70/C80/FAS90/FAS70
AFF/ASA/FAS Baseboard Management Controller (BMC) - A50/A30/A20/C60/C30/FAS50
Active IQ Unified Manager for VMware vSphere
Brocade Fabric Operating System Firmware
Cloud Volumes ONTAP Mediator
FAS/AFF BIOS - A900/9500
FAS/AFF Baseboard Management Controller (BMC) - A800/C800
FAS/AFF Baseboard Management Controller (BMC) - A900/9500
FAS/AFF Baseboard Management Controller (BMC) - C190/A150/A220/FAS2720/FAS2750
FAS/AFF Baseboard Management Controller (BMC) - FAS2820
NetApp Console Agent Container (mysql)
NetApp Console Agent OVA

References

https://access.redhat.com/security/cve/CVE-2026-58012 ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.