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Fedora 45 : kryoptic / pyOpenSSL / python-cryptography / rust-asn1 / etc (2026-13a0c86ba1)

critical Nessus Plugin ID 311099

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 45 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-13a0c86ba1 advisory.

 Update python-cryptography to 47.0.0

 As a result, rust-asn1 is bumped to 0.24, and pyOpenSSL is bumped to 26.1. kryoptic is rebuilt with a patch to support asn1 0.24.

 pyOpenSSL 26.1 contains a fix for CVE-2026-40475

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-13a0c86ba1

Plugin Details

Severity: Critical

ID: 311099

File Name: fedora_2026-13a0c86ba1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/30/2026

Updated: 4/30/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-40475

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:kryoptic, p-cpe:/a:fedoraproject:fedora:rust-asn1, cpe:/o:fedoraproject:fedora:45, p-cpe:/a:fedoraproject:fedora:python-cryptography, p-cpe:/a:fedoraproject:fedora:rust-asn1_derive, p-cpe:/a:fedoraproject:fedora:pyopenssl

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/29/2026

Vulnerability Publication Date: 4/29/2026

Reference Information

CVE: CVE-2026-40475