---
id: CVE-2026-17273
title: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to
  cause a denial of service due to a NULL pointer dereference.
summary: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to
  cause a denial of service due to a NULL pointer dereference.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
vendor: ibm
product: i
affected:
  - i = 7.3
  - i = 7.4
  - i = 7.5
  - i = 7.6
published: '2026-09-04'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T21:17:21.033'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17273'
references:
  - url: 'https://www.ibm.com/support/pages/node/7285844'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T20:37:46.702700Z'
epss: 0.00353
epssPercentile: 0.26271
ingestedAt: '2026-09-08T15:33:26.963Z'
---

## Overview

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to cause a denial of service due to a NULL pointer dereference.

## Affected

- `i = 7.3`
- `i = 7.4`
- `i = 7.5`
- `i = 7.6`

## Remediation

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