CVE-2023-50782: PYSEC-2026-1283 - Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

CVE-2023-50782 · Severity: low · CVSS 3.1 · Published 2026-07-07

Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

Technologies: cryptography (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2023-50782 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-50782 being exploited in the wild.
How severe is CVE-2023-50782?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
cryptography (PyPI) ECOSYSTEM:introduced=0,fixed=42.0.0.
Is there a fix for CVE-2023-50782?
Yes. cryptography (PyPI): upgrade to 42.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-50782?
Check whether you run cryptography (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • cryptography (PyPI): upgrade to 42.0.0 or later
    pip install "cryptography>=42.0.0"

Affected products

  • cryptography (PyPI) ECOSYSTEM:introduced=0,fixed=42.0.0

Identifiers

  • CVE-2023-50782
  • GHSA-3ww4-gg4f-jr7f
  • PYSEC-2026-1283

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