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Vulnerable Software

Vulnerability Details CVE-2026-17255

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 8.8%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-17255
  • Ibm » I » Version: 7.3
    cpe:2.3:o:ibm:i:7.3
  • Ibm » I » Version: 7.4
    cpe:2.3:o:ibm:i:7.4
  • Ibm » I » Version: 7.5
    cpe:2.3:o:ibm:i:7.5
  • Ibm » I » Version: 7.6
    cpe:2.3:o:ibm:i:7.6


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