VULNERABILITY INTELLIGENCE
CVE-2026-17255
CVSS score4.3 MEDIUM
EPSS probability0.63%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-09-10
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper validation of the prefix length in ICMPv6 Router Advertisements.
Weakness classification
- psirt@us.ibm.com: CWE-787
Primary references
- psirt@us.ibm.com — Patch, Vendor Advisory