Use of a Broken or Risky Cryptographic Algorithm The advisory has been revoked - it doesn't affect any version of package mbedtls (opens in a new tab)

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Snyk IDSNYK-UBUNTU1604-MBEDTLS-2325805
published21 Mar 2026
disclosed21 Dec 2021

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Introduced: 21 Dec 2021

CVE-2021-45450 (opens in a new tab) CWE-327 (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Ubuntu.

In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.