CVE-2019-16143

Published: Sep 9, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

An issue was discovered in the blake2 crate before 0.8.1 for Rust. The BLAKE2b and BLAKE2s algorithms, when used with HMAC, produce incorrect results because the block sizes are half of the required sizes.

Affected (1)

Products: Blake2: Blake2 Rust

Blake2

1 product

Blake2 Rust

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Blake2 Blake2 Rust	Before 0.8.1

Related CWEs

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

References (2)

https://rustsec.org/advisories/RUSTSEC-2019-0019.html

Source: cve@mitre.org

Third Party Advisory

https://rustsec.org/advisories/RUSTSEC-2019-0019.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.