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Fortinet Fortigate Double free in signal handler (FG-IR-26-182)

low Nessus Plugin ID 366110

Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-182 advisory.

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

Solution

For 7.2.x / 7.4.x, see vendor advisory. For 7.6.x, upgrade to Fortigate version 7.6.9 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-26-182

Plugin Details

Severity: Low

ID: 366110

File Name: fortigate_FG-IR-26-182.nasl

Version: 1.1

Type: Local

Family: Firewalls

Published: 10/15/2026

Updated: 10/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1.4

Temporal Score: 1

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

CVSS Score Source: CVE-2026-106175

CVSS v3

Risk Factor: Low

Base Score: 2.3

Temporal Score: 2

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

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

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2026

Vulnerability Publication Date: 10/13/2026

Reference Information

CVE: CVE-2026-106175