CVE-2016-9243
Fixed in a distro release EPSS 3%
HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
Products: cryptography.io cryptography, fedoraproject fedora, canonical ubuntu_linux
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| PyPI | cryptography | 1.5.3 |
| PyPI | cryptography | b924696b2e8731f39696584d12cceeb3aeb2d874 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | python-cryptography | 1.5.3-1 |
| Debian 13 | python-cryptography | 1.5.3-1 |
| Debian 14 | python-cryptography | 1.5.3-1 |
| Ubuntu 16.04 LTS | python-cryptography | 1.2.3-1ubuntu0.1 |