In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-python3-cryptography | May 4, 2022 | Feb 7, 2021 | |
| Alpine Linux | alpine-linux-upgrade-py3-cryptography | Mar 21, 2024 | Feb 7, 2021 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Feb 7, 2021 | |
| Centos_linux | — | centos-upgrade-python-cryptography-debugsourcecentos-upgrade-python3-cryptographycentos-upgrade-python3-cryptography-debuginfo | Jun 1, 2021 | Feb 7, 2021 |
| Debian | debian-upgrade-python-cryptography | Jul 30, 2024 | Feb 7, 2021 | |
| Dell Powerstore Dsa2024158 | dell-powerstoreos-upgrade-latest | Jan 13, 2026 | Apr 4, 2024 | |
| Dell Powerstore Dsa2024225 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | May 29, 2024 | |
| Dell Powerstore Dsa2024287 | dell-powerstoreos-upgrade-latest | Oct 23, 2025 | Jul 2, 2024 | |
| Gentoo Linux | gentoo-linux-upgrade-dev-python-cryptography | Jul 3, 2024 | Feb 7, 2021 | |
| Huawei Euleros 2_0_sp9 | huawei-euleros-2_0_sp9-upgrade-python3-cryptography | Aug 10, 2021 | Feb 7, 2021 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-library-python-cryptography-2-5-11-4-33-0-1-94-0oracle-solaris-11-4-upgrade-library-python-cryptography-27-2-5-11-4-33-0-1-94-0oracle-solaris-11-4-upgrade-library-python-cryptography-37-2-5-11-4-33-0-1-94-0oracle-solaris-11-4-upgrade-library-python-cryptography-39-2-5-11-4-33-0-1-94-0 | May 19, 2021 | Feb 7, 2021 | |
| Oracle_linux | — | oracle-linux-upgrade-python3-cryptography | May 26, 2021 | Dec 9, 2020 |
| Redhat_linux | redhat-upgrade-python-cryptography-debugsourceredhat-upgrade-python3-cryptographyredhat-upgrade-python3-cryptography-debuginfo | May 21, 2021 | Feb 7, 2021 | |
| Rocky_linux | rocky-upgrade-python-cryptography-debugsourcerocky-upgrade-python3-cryptographyrocky-upgrade-python3-cryptography-debuginfo | Mar 12, 2024 | Feb 7, 2021 | |
| Suse | — | suse-upgrade-python-cryptographysuse-upgrade-python2-cryptographysuse-upgrade-python3-cryptography | Feb 27, 2021 | Feb 7, 2021 |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Feb 7, 2021 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub