by Kastro
Paper/Archive/CVE-2026-16815

CVE-2026-16815

IBM i — IBM i is Affected By Multiple Vulnerabilities in Simple Mail Transfer Protocol

EPSS 0.5%CVSS 9.1
critical.is priorityof 100
35
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 39.5.395 × 207.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and potentially obtain sensitive information due to a stack-based buffer overflow.

Affected

ProductAffectedFixed inSource
i7.6–CNA
i7.5–CNA
i7.4–CNA
i7.3–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
ibm (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

patchibm.com/support/pages/node/7283291