IBM i is Affected By Denial of Service Vulnerability []

published 2026-08-12 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-57599

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and obtain sensitive information due to an integer underflow.

Patch / fix

links 1

ibm.com/support/pages/node/7282695 advisory

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 mo ago (2026-08-14)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected products

IBM i

Classification

Weakness

CWE-125 Out-of-bounds Read
CWE-191 Integer Underflow (Wrap or Wraparound)

References

ibm.com /support/pages/node/7282695
vendor-advisory, patch

Sources

CVE List CVE-2026-17485
NVD CVE-2026-17485

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary