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Fortinet PSIRT AdvisoriesFG-IR-26-148

Stack Buffer Overflow in Log Report

CVSSv3 Score: 5.9 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. Revised on 2026-07-14 00:00:00

Read the vendor bulletin Get alerts for FortiOS
5.9CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • FortiOS
  • FortiProxy
  • FortiPAM
Timeline

When this advisory changed

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

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UI DoS attack

FG-IR-26-162