Security Advisory

CVE-2023-49083

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-11-29 18:50:24

Last updated 2025-12-18 15:32:14

Assigner GitHub_M

State PUBLISHED

Description

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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