---
id: CVE-2023-46273
title: >-
  Bonjour Gateway in Extreme Networks IQ Engine before 10.6r1a, and through
  10.6r4 before 10.6r5, has an ah_bgd buffer overflow via ah_event_send.
summary: >-
  Bonjour Gateway in Extreme Networks IQ Engine before 10.6r1a, and through
  10.6r4 before 10.6r5, has an ah_bgd buffer overflow via ah_event_send.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
vendor: extremenetworks
product: IQ Engine
affected:
  - iq_engine < 10.6r1a
  - iq_engine >= 10.6r2 < 10.6r5
published: '2026-09-14'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:00:03.713'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-46273'
references:
  - url: 'https://extreme-networks.my.site.com/ExtrArticleDetail?an=000115356'
    label: cve@mitre.org
  - url: 'https://extremenetworks.com'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00312
epssPercentile: 0.21367
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-16T14:33:53.574578Z'
ingestedAt: '2026-09-14T15:23:07.465Z'
---

## Overview

Bonjour Gateway in Extreme Networks IQ Engine before 10.6r1a, and through 10.6r4 before 10.6r5, has an ah_bgd buffer overflow via ah_event_send.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.