VulertSecurity VulertSecurity

Vulnerability Database · PyPI · cryptography · Version

cryptography 45.0.3

45.0.3 is affected by 15 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 50.0.2.

Critical 1 High 7 Medium 5 Low 1 Unrated 1

All cryptography versions & vulnerabilities → Source repository Search the database for this package →
Released 25 May 2025 Licence Apache-2.0 OR BSD-3-Clause Also known from other sources 13 Newer releases 160 Database updated 23/Oct/2026

Release and licence data published by PyPI. Licence information is not legal advice.

Concerned about your application's security?

Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.

01 Vulnerabilities affecting this version

cryptography 45.0.3 vulnerabilities

15 vulnerabilities cover cryptography 45.0.3. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
CVE-2026-39892: Buffer Overflow Vulnerability in cryptography Package 9.8 critical 46.0.7 08 Apr 2026
CVE-2026-69249: python-cryptography Exponential Path-Building Vulnerability Due to Duplicate Self-Signed Intermediates 8.7 high 49.0.0 04 Aug 2026
CVE-2026-69249: python-cryptography Exponential Path-Building Vulnerability Due to Duplicate Self-Signed Intermediates 8.7 high 49.0.0 03 Aug 2026
CVE-2026-69247: cryptography Package Vulnerability Exposing Bleichenbacher Oracle through Distinguishable Errors and Timing 8.2 high 50.0.0 04 Aug 2026
CVE-2026-69247: Cryptography Package Exposes Bleichenbacher Oracle Through Distinguishable Errors and Timing 8.2 high 50.0.0 03 Aug 2026
Critical Vulnerability in cryptography Package Due to Statically Linked OpenSSL 7.5 high 48.0.1 15 Jun 2026
CVE-2024-26130: Cryptography Package Vulnerability Leading to NULL Pointer Dereference 7.5 high 97d231672763cdb5959a3b191e692a362f1b9e55 21 Feb 2024
CVE-2026-69248: python-cryptography Wildcard DNS Name Vulnerability Allows Escape from Permitted Subtrees 6.9 medium 49.0.0 04 Aug 2026
CVE-2026-69248: python-cryptography Wildcard DNS Name Verification Bypass 6.9 medium 49.0.0 03 Aug 2026
CVE-2026-39892: Cryptography Package Buffer Overflow Vulnerability 6.9 medium 46.0.7 08 Apr 2026
CVE-2026-26007: cryptography Package Vulnerability in Public Key Validation 6.5 medium 46.0.5 10 Feb 2026
CVE-2026-34073: Cryptography Package DNS Name Constraint Validation Flaw 5.3 medium 46.0.6 31 Mar 2026
CVE-2026-34073: cryptography Package Suffers from Incomplete DNS Name Constraint Enforcement 1.7 low 46.0.6 27 Mar 2026
CVE-2026-26007: cryptography Package Vulnerable to Subgroup Attack Due to Missing Subgroup Validation N/A high 46.0.5 10 Feb 2026
CVE-2023-23931: cryptography Package Buffer Protocol Vulnerability N/A unrated 94a50a9731f35405f0357fa5f3b177d46a726ab3 07 Feb 2023

Looking for another version, or everything Vulert holds for cryptography?

All versions → Full vulnerability list →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →

Questions

About cryptography 45.0.3

Is cryptography 45.0.3 vulnerable?

Yes. 15 vulnerabilities in the Vulert database cover cryptography 45.0.3: 1 critical, 7 high, 5 medium and 1 low, plus 1 not yet rated. The upgrade Vulert recommends is 50.0.2, and each entry above names the fixed version to move to.

Which version of cryptography should I use instead of 45.0.3?

50.0.2 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.

Is 45.0.3 the latest release of cryptography?

No. 45.0.3 was published 25 May 2025, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.

How do I monitor cryptography for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the cryptography version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.