Use of a Broken or Risky Cryptographic Algorithm Affecting python-cryptography package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.4% (88th percentile)

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  • Snyk IDSNYK-RHEL10-PYTHONCRYPTOGRAPHY-9891097
  • published28 Apr 2025
  • disclosed5 Nov 2016

Introduced: 5 Nov 2016

CVE-2016-9243  (opens in a new tab)
CWE-327  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 python-cryptography.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-cryptography package and not the python-cryptography package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.

CVSS Base Scores

version 3.1