Cryptographic Issues Affecting pyhanko package, versions [,0.3.0)
Snyk CVSS
Attack Complexity
High
User Interaction
Required
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Test your applications- Snyk ID SNYK-PYTHON-PYHANKO-1300049
- published 4 Jun 2021
- disclosed 4 Jun 2021
- credit Matthias Valvekens
How to fix?
Upgrade pyHanko
to version 0.3.0 or higher.
Overview
pyHanko is a Tools for stamping and signing PDF files
Affected versions of this package are vulnerable to Cryptographic Issues via the 'RC4' class, which is not secure.