{"id":"CVE-2026-17207","state":"PUBLISHED","title":"IBM i is Affected By Denial of Service Vulnerabilities in NFS [, ]","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and compromise integrity due to a buffer overflow.","publishedAt":"2026-09-04T16:39:24.955Z","updatedAt":"2026-09-04T17:32:45.856Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","source":"ibm"},"assigner":"ibm","products":["IBM 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i is Affected By Denial of Service Vulnerabilities in NFS [, ]","descriptions":[{"lang":"en","value":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and compromise integrity due to a buffer overflow."}],"affected":[{"vendor":"IBM","product":"i","versions":[{"version":"7.6","status":"affected"},{"version":"7.5","status":"affected"},{"version":"7.4","status":"affected"},{"version":"7.3","status":"affected"}],"cpes":["cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*","cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7285847","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787 Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-09-04T16:39:24.955Z"},"solutions":[{"lang":"en","value":"IBM i Release5770-SS1 \nPTF Number(s)PTF Download Link(s)7.6SJ11320 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11320 7.5SJ11319 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11319 7.4SJ11318 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11318 7.3SJ11317 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11317 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><table><colgroup><col/><col/><col/></colgroup><thead><tr><td><strong>IBM i Release</strong></td><td><strong>5770-SS1 <br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>SJ11320</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11320\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11320</a></td></tr><tr><td>7.5</td><td>SJ11319</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11319\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11319</a></td></tr><tr><td>7.4</td><td>SJ11318</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11318\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11318</a></td></tr><tr><td>7.3</td><td>SJ11317</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11317\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11317</a></td></tr></tbody></table></div><p>IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.</p>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-04T17:27:40.270608Z","id":"CVE-2026-17207","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-04T17:32:45.856Z"}}]}}}