Detections
Analytics

Oracle Linux 10 : wireshark (ELSA-2026-20600)

high Nessus Plugin ID 327507

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20600 advisory.

 - Resolves: RHEL-173221 - CVE-2026-5656 Improper Limitation of a Pathname to a Restricted Directory
 - Resolves: RHEL-173218 - CVE-2026-5405 Heap-based Buffer Overflow
 - Resolves: RHEL-152922 - CVE-2026-3203 Buffer Over-read
 - Resolves: RHEL-152913 - CVE-2026-3201 Improperly Controlled Sequential Memory Allocation
 - Resolves: RHEL-136919 - NULL Pointer Dereference in Wireshark (CVE-2025-9817)

Tenable has extracted the preceding description block directly from the Oracle Linux 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 wireshark, wireshark-cli and / or wireshark-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-20600.html

Plugin Details

Severity: High

ID: 327507

File Name: oraclelinux_ELSA-2026-20600.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/17/2026

Updated: 7/17/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.04

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2026-5656

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:wireshark-devel, p-cpe:/a:oracle:linux:wireshark-cli, p-cpe:/a:oracle:linux:wireshark, cpe:/o:oracle:linux:10

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/16/2026

Vulnerability Publication Date: 11/19/2025

Reference Information

CVE: CVE-2026-5405, CVE-2026-5656

IAVB: 2026-B-0112-S