pyca Latest Vulnerabilities

Latest vulnerabilities published by pyca

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8 April 2026

Buffer Overflow Vulnerability in Cryptography Package by Python Software Foundation
CVE-2026-39892
PycaCryptography6.9MEDIUM

31 March 2026

DNS Name Constraints Issue in Cryptography Package by PyCA
CVE-2026-34073
PycaCryptography1.7LOW

17 March 2026

Buffer Overflow Vulnerability in PyOpenSSL Affects Users
CVE-2026-27459
PycaPyOpenSSL7.2HIGH
Security Bypass Vulnerability in pyOpenSSL Library Affecting Multiple Versions
CVE-2026-27448
PycaPyOpenSSL1.7LOW

10 February 2026

Cryptographic Flaw in Python's Cryptography Package Could Impact Security
CVE-2026-26007
PycaCryptography8.2HIGH

21 February 2024

NULL Pointer Dereference in `pkcs12.serialize_key_and_certificates` Fixes Crash in Python Process
CVE-2024-26130
PycaCryptography7.5HIGH

29 November 2023

cryptography vulnerable to NULL-dereference when loading PKCS7 certificates
CVE-2023-49083
PycaCryptography5.9MEDIUM

7 February 2023

Cipher.update_into can corrupt memory in pyca cryptography
CVE-2023-23931
PycaCryptography4.8MEDIUM