Junglewise Threat Intelligence

CVE-2020-36242: PYSEC-2021-63 - In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result

CVE-2020-36242 · Severity: low · CVSS 3.1 · Published 2021-02-07

Technologies: cryptography (PyPI). Vendors: PyPI.

Executive brief

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.

Affected products

  • PyPI cryptography

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