Detections
Analytics

Fedora 45 : krb5 (2026-2e9fe57a46)

medium Nessus Plugin ID 311064

Synopsis

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

Description

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2e9fe57a46 advisory.

 Automatic update for krb5-1.22.2-7.fc45.

 ##### **Changelog**

 ```
 * Tue Apr 28 2026 Julien Rische <[email protected]> - 1.22.2-7
 - Fix NegoEx parsing vulnerabilities (CVE-2026-40355, CVE-2026-40356)
 - resolves: rhbz#2463398
 - resolves: rhbz#2463395

 ```

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

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

Solution

Update the affected krb5 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-2e9fe57a46

Plugin Details

Severity: Medium

ID: 311064

File Name: fedora_2026-2e9fe57a46.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/29/2026

Updated: 4/29/2026

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: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2026-40356

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:krb5, cpe:/o:fedoraproject:fedora:45

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: 4/28/2026

Reference Information

CVE: CVE-2026-40355, CVE-2026-40356