CVE-2026-18020
published 2026-08-13CVE-2026-18020: IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
PriorityP425medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.29%
21.8th percentile
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | i | — | — |
| ibm | i | — | — |
| ibm | i | — | — |
| ibm | i | — | — |
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GHSA
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
ghsa_unreviewed·2026-08-13
CVE-2026-18020 [MEDIUM] CWE-125 IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
VulDB
IBM i 7.3/7.4/7.5/7.6 off-by-one
vuldb·2026-08-13·CVSS 5.3
CVE-2026-18020 [MEDIUM] IBM i 7.3/7.4/7.5/7.6 off-by-one
A vulnerability, which was classified as critical, was found in IBM i 7.3/7.4/7.5/7.6. This issue affects some unknown processing. Such manipulation leads to off-by-one.
This vulnerability is listed as CVE-2026-18020. The attack may be performed from remote. There is no available exploit.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-13
Published