QID 356914

Date Published: 2024-01-16

QID 356914: Amazon Linux Security Advisory for python-cryptography : ALAS2023-2023-446

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. (
( CVE-2023-49083)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2023-446 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356914

    CVE-2023-49083 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-446 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-446.html
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