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NTAP-20261021-0013 — CVE-2026-34757 LIBPNG Vulnerability in NetApp Products
Published 2026-10-21 · Updated 2026-10-21 · Status: Interim · Exploitation: Public · Severity: MEDIUM 5.1 · ONTAP affected: No — other NetApp product
Product family: NetApp Console / BlueXP · SolidFire / NetApp HCI · SnapCenter | other NetApp product | highest CVSS: 5.1
CVEs in this advisory
- CVE-2026-34757 — MEDIUM · CVSS 5.1 · site index
What the CVE records say
CVE-2026-34757 — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from png_get_PLTE, png_get_tRNS, or png_get_hIST back into the corresponding setter on the same png_struct/png_info pair causes the setter to read from freed memory and copy its contents into the replacement buffer. The setter frees the internal buffer before copying from the caller-supplied pointer, which now dangles. The freed region may contain stale data (producing silently corrupted chunk metadata) or data from subsequent heap allocations (leaking unrelated heap contents into the chunk struct). This vulnerability is fixed in 1.6.57.
Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information or addition or modification of data.
Affected products
- NetApp Console Agent Container (docker_occm)
- NetApp Console Agent OVA
- NetApp SolidFire & HCI Management Node
- SnapCenter Plug-in for VMware vSphere
- iNetApp SolidFire & HCI Storage Node (Element Software)
References
What to do
- Compare your installed product and version against the affected list above and the official advisory's affected-versions table.
- Apply the fixed release named in the official advisory, or the documented workaround if no fix ships yet.
- Limit management-plane exposure (BMC/management interfaces, web UIs, SNMP) until patched.
- Track follow-ups in the site CVE index and the security RSS feed.
Related reading
- Site CVE index — every CVE we track, split by year
- Security hub — recent NetApp advisories and what changed
- Security hardening baseline — applies to NetApp management planes generally
- Every NetApp advisory published in 2026