Generation of Predictable IV with CBC Mode Affecting dcrypt-algorithms package, versions <2.0.0


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-RUST-DCRYPTALGORITHMS-18689824
  • published12 Aug 2026
  • disclosed9 Aug 2026
  • creditUnknown

Introduced: 9 Aug 2026

New CVE NOT AVAILABLE CWE-329  (opens in a new tab)

How to fix?

Upgrade dcrypt-algorithms to version 2.0.0 or higher.

Overview

Affected versions of this package are vulnerable to Generation of Predictable IV with CBC Mode due to improper handling of the operation nonce in the Gcm process. An attacker can compromise confidentiality and authenticity by causing nonce reuse across multiple operations, even when distinct nonces are supplied.

CVSS Base Scores

version 4.0
version 3.1