IBMCVE-2026-18671
IBM i: integer overflow
Medium6.5CVE-2026-18671 · Published Aug 13, 2026 · updated Aug 17, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| i Product | <= 7.6 | No fix yet |
| <= 7.5 | No fix yet | |
| <= 7.4 | No fix yet | |
| <= 7.3 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-190
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 13 | IBM Storage Scale: secrets in logs | High7.1 | No fix yet |
| Aug 13 | IBM i: privilege escalation | High8.2 | No fix yet |
| Aug 13 | IBM i: stack buffer overflow | High7.3 | No fix yet |
| Aug 13 | IBM i: information disclosure | Medium6.5 | No fix yet |
| Aug 13 | IBM Langflow OSS: no brute-force limit | Critical9.1 | No fix yet |
| Aug 13 | IBM i: information disclosure | Medium4.3 | No fix yet |