Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2016-9243

Published: 9 November 2016

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

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
python-cryptography
Launchpad, Ubuntu, Debian
upstream
Released (1.5.3-1)
precise Does not exist

trusty Does not exist

xenial
Released (1.2.3-1ubuntu0.1)
yakkety
Released (1.5-2ubuntu0.1)
Patches:
upstream: https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874