CVE-2026-17469: IBM i is Affected By Denial of Service Vulnerabilities in Line Printer Daemon [, ]
Published Sep 1, 2026
·Updated
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to cause a denial of service due to an off-by-one write in the LPD queue name parser.
Other sources
IBM i could allow a local authenticated attacker to cause a denial of service due to an off-by-one write in the LPD queue name parser.
— IBM
Affected Software
5 affected components
IBM IBM i>=7.3<=7.6
IBM i<=7.6
IBM i<=7.5
IBM i<=7.4
IBM i<=7.3
Event History
Sep 1, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 4, 2026
CVE Published
via MITRE·04:32 PM
Data Sourced
via MITRE·04:32 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
Which IBM i releases are identified as affected?
IBM i 7.3, 7.4, 7.5, and 7.6 are identified as affected.
2
Does exploitation require network access or authentication?
The vulnerability is described as requiring a local, authenticated attacker. The provided data does not describe unauthenticated or remote exploitation.
3
What is the expected impact if exploited?
An attacker could cause a denial of service. The provided severity vector indicates availability impact only, with no stated confidentiality or integrity impact.