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CVE-2021-43399

HIGH CVSS: 7.5 Published: 2021-12-08 Modified: 2026-06-17

Description

The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHSM 2 device.

Affected Platforms

Yubico Yubihsm 2 Software Development Kit

Weakness Type

CWE-787

References