All the vulnerabilites related to pyca - cryptography
cve-2023-23931
Vulnerability from cvelistv5
Published
2023-02-07 20:54
Modified
2024-08-02 10:42
Summary
Cipher.update_into can corrupt memory in pyca cryptography
Impacted products
pycacryptography
Show details on NVD website


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          "value": "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8."
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cve-2023-49083
Vulnerability from cvelistv5
Published
2023-11-29 18:50
Modified
2024-08-02 21:46
Summary
cryptography vulnerable to NULL-dereference when loading PKCS7 certificates
Impacted products
pycacryptography
Show details on NVD website


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          "value": "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Calling `load_pem_pkcs7_certificates` or `load_der_pkcs7_certificates` could lead to a NULL-pointer dereference and segfault. Exploitation of this vulnerability poses a serious risk of Denial of Service (DoS) for any application attempting to deserialize a PKCS7 blob/certificate. The consequences extend to potential disruptions in system availability and stability. This vulnerability has been patched in version 41.0.6."
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cve-2024-26130
Vulnerability from cvelistv5
Published
2024-02-21 16:28
Modified
2024-08-14 20:01
Summary
cryptography NULL pointer deference with pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override
Impacted products
pycacryptography
Show details on NVD website


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