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CVE-2024-26130 — cryptography NULL pointer deference with pkcs12.serialize_key_and_certificates when called with a non-matching certific…

Affected: pyca cryptography, cryptography_project cryptography

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Starting in version 38.0.0 and prior to version 42.0.4, if `pkcs12.serialize_key_and_certificates` is called with both a certificate whose public key did not match the provided private key and 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 in version 42.0.4, the first version in which a `ValueError` is properly raised.

GHSA-6vqw-3v5j-54x4 — cryptography NULL pointer dereference with pkcs12.serialize_key_and_certificates when called with a non-matching certif…

Affected: PyPI: cryptography

If `pkcs12.serialize_key_and_certificates` is called with both:

1. A certificate whose public key did not match the provided private key 2. 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

PYSEC-2024-225

Affected: PyPI: cryptography