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AlmaLinux 9.6 [TuxCare] Security Update: wireshark / wireshark-cli / wireshark-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1785518972)

medium Nessus Plugin ID 353173

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785518972 advisory.

 - AFP Spotlight protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service (CVE-2026-5401)

 - FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service (CVE-2026-5406)

 - BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service (CVE-2026-5408)

 - ASN.1 PER protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service (CVE-2026-6527)

 - BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service (CVE-2026-6538)

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 packages based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1785518972.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1785518972

http://www.nessus.org/u?a2ca3954

Plugin Details

Severity: Medium

ID: 353173

File Name: tuxcare_alma_linux_9.6_CLSA-2026-1785518972.nasl

Version: 1.2

Type: Local

Published: 9/30/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2026-6538

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/31/2026

Vulnerability Publication Date: 10/8/2024

Reference Information

CVE: CVE-2026-5401, CVE-2026-5406, CVE-2026-5408, CVE-2026-6527, CVE-2026-6538

CLSA: 2026:1785518972