FG-IR-26-148: Stack Buffer Overflow in Log Report

Published Jul 14, 2026
·
Updated

A Stack-based Buffer Overflow vulnerability [CWE-121] in FortiOS, FortiProxy and FortiPAM may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

Affected Software

13 affected componentsFixes available
Fortinet FortiOS>=7.4.0<=7.4.1
Fortinet FortiOS>=7.2
Fortinet FortiPAM>=1.8.0<=1.8.2
Fortinet FortiPAM>=1.7
Fortinet FortiPAM>=1.6
Fortinet FortiPAM>=1.5
Fortinet FortiPAM>=1.4
Fortinet FortiPAM>=1.3
Fortinet FortiPAM>=1.2
Fortinet FortiPAM>=1.1
Fortinet FortiPAM>=1.0
Fortinet FortiProxy>=7.4.0<=7.4.13
Fortinet FortiProxy>=7.2

Event History

Jul 14, 2026
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of FG-IR-26-148?

The severity of FG-IR-26-148 is medium, rated at 5.9.

2

How do I fix FG-IR-26-148?

To fix FG-IR-26-148, users should update their FortiOS, FortiProxy, and FortiPAM to the latest patched versions provided by Fortinet.

3

Who is affected by FG-IR-26-148?

FG-IR-26-148 affects users of FortiOS, FortiProxy, and FortiPAM who have installed versions vulnerable to the stack buffer overflow.

4

What type of attack is associated with FG-IR-26-148?

FG-IR-26-148 is associated with a stack-based buffer overflow attack that can allow a privileged authenticated attacker to execute arbitrary code.

5

What systems are specified in FG-IR-26-148?

FG-IR-26-148 specifically pertains to Fortinet's FortiOS, FortiProxy, and FortiPAM software.

Contact

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