CVE-2026-18846
IBM i is Affected By Multiple Vulnerabilities in Host Servers
- State
- Published
- Severity
- 7.5 High
- Published
- Aug 13, 2026
- Updated
- Aug 13, 2026
- Reserved
- Aug 4, 2026
Description
IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a buffer overflow from improperly validating client data. By sending malformed requests to one of the host servers, a remote attacker could leverage this vulnerability to cause a denial-of-server (DoS) for that server.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | ibm |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
iIBM |
|
References
- https://www.ibm.com/support/pages/node/7283578vendor-advisorypatch
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