A security update has been released for AlmaLinux 9 to address a vulnerability in the python3.12-cryptography package. The issue, identified as CVE-2024-26130, involves a NULL pointer dereference when using pkcs12.serialize_key_and_certificates with mismatched certificate and private key and an hmac_hash override.

ALSA-2025:15608: python3.12-cryptography security update (Important)

ALSA-2025:15608: python3.12-cryptography security update (Important)

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AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2025-09-10

Summary:

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

* python-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 (CVE-2024-26130)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2025-15608.html

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Kind regards,
AlmaLinux Team