Use of a Broken or Risky Cryptographic Algorithm The advisory has been revoked - it doesn't affect any version of package python-cryptography  (opens in a new tab)


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  • Snyk IDSNYK-RHEL7-PYTHONCRYPTOGRAPHY-1358986
  • published26 Jul 2021
  • disclosed5 Nov 2016

Introduced: 5 Nov 2016

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

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:7.

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.

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