CVE-2026-18671CWE-190

CVE-2026-18671

Medium · published August 14, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
28.3
In the wild
Unconfirmed
What it is

IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to force a NetServer server thread exception, caused by an integer overflow during bounds checking in request processing. The attacker could exploit this vulnerability to cause a temporary denial of service.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00358 · 28.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-08-14T01:17Z
Affected products (4)
ProductVersionsFixed in
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
ibm/iall versions—
References (1)
https://www.ibm.com/support/pages/node/7283573 · [email protected]
EPSS history
Timeline
  • 13 AUG 20:46Z
    IBM i is Affected By Multiple Vulnerabilities in NetServer
    cvelistv5