EUVD-2026-71469
GHSA-pvh4-2hch-4hhv
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-787 out-of-bounds write causing DoS warrants A:H; all other metrics align with IBM's own vector.
Primary rating from Vendor (ibm).
CVSS VectorNVD
Lifecycle Timeline
3DescriptionNVD
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a buffer overflow.
AnalysisAI
Denial of service in IBM i versions 7.3, 7.4, 7.5, and 7.6 is exploitable remotely by unauthenticated network attackers via a buffer overflow (CWE-787, out-of-bounds write), degrading service availability without requiring credentials or user interaction. IBM has released a patch via their support portal. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special configuration is required beyond network reachability to the IBM i host - the vulnerability is present in IBM i 7.3 through 7.6 by default (AV:N/AC:L/PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate and largely bounded to operational disruption rather than data compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released PTF (Program Temporary Fix) identified in the IBM support page at https://www.ibm.com/support/pages/node/7285939. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
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