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CVE-2024-26130

cryptography NULL pointer dereference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override

If `pkcs12.serialize_key_and_certificates` is called with both:1. A certificate whose public key did not match the provided private key2. An `encryption_algorithm` with `hmac_hash` set (via `PrivateFormat.PKCS12.encryption_builder().hmac_hash(...)`Then a NULL pointer dereference would occur, crashing the Python process.This has been resolved, and now a `ValueError` is properly raised.Patched in https://github.com/pyca/cryptography/pull/10423

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Vulnerability Details
Score
7.5
Score Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Versions
cryptography >= 38.0.0 < 42.0.4
Severity
High
Ecosystem
Python
Publish Date
February 21, 2024
Modified Date
February 6, 2025