PYSEC-2021-63
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/cryptography/PYSEC-2021-63.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2021-63
- Aliases
- Published
- 2021-02-07T20:15:00Z
- Modified
- 2023-11-08T04:03:42.949464Z
- Summary
- [none]
- Details
-
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.
- References
-
- https://github.com/pyca/cryptography/issues/5615
- https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst
- https://github.com/pyca/cryptography/compare/3.3.1...3.3.2
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/
- https://github.com/advisories/GHSA-rhm9-p9w5-fwm7
Affected packages
PyPI / cryptography
Package
- Name
- cryptography
- View open source insights on deps.dev
- Purl
- pkg:pypi/cryptography