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CVE-2021-4209

MEDIUM CVSS: 6.5 Published: 2022-08-24 Modified: 2026-06-17

Description

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.

Affected Platforms

Redhat Enterprise LinuxNetapp Hci Compute NodeNetapp Solidfire \& Hci Management NodeNetapp Active Iq Unified ManagerGnu GnutlsNetapp Hci Bootstrap Os

Weakness Type

CWE-476, CWE-476

References