Cryptography vulnerabilitiesRanked by how likely they are to be used.

Product151 versions
The short answer

Cryptography is made by Cryptography.io. We track 8 published vulnerabilities in it, across 151 versions. None of them is on the list of flaws known to be exploited today. If you run Cryptography, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Cryptography vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Cryptography's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Cryptography flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 6.7%

    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...

    CVSS9.1Published7 Feb 2021
  2. 3.5%

    HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.

    CVSS7.5Published27 Mar 2017
  3. 2.5%

    python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.

    CVSS5.9Published11 Jan 2021
  4. 1.3%

    cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

    CVSS4.8Published7 Feb 2023
  5. 1.1%

    A flaw was found in the python-cryptography package.

    CVSS7.5Published5 Feb 2024
  6. 1.0%

    cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

    CVSS5.9Published29 Nov 2023
  7. 0.8%

    cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

    CVSS7.5Published21 Feb 2024
  8. 0.7%

    The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.

    CVSS7.5Published14 Jul 2023
Precursor Intelligence

Running Cryptography? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  2. We match it to every flawOver 400,000 published flaws, checked against your list.
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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 8 published vulnerabilities listed under the name Cryptography, across 151 versions.

None of Cryptography's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Cryptography. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.