{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17271", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-24T23:23:43.642Z", "datePublished": "2026-08-12T17:35:22.967Z", "dateUpdated": "2026-08-12T17:35:22.967Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-08-12T17:35:22.967Z"}, "title": "IBM i is Affected By Multiple Vulnerabilities in the Debug Server", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "i", "versions": [{"status": "affected", "version": "7.6"}, {"status": "affected", "version": "7.5"}, {"status": "affected", "version": "7.4"}, {"status": "affected", "version": "7.3"}], "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:*:*:*:*:*:*:*"]}], "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 due to improper validation of input size.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper validation of input size.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7283276", "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": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now.\n\nIBM i Release5770-SS1\nPTF Number(s)PTF Download Link(s)7.6SJ10899 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899 7.5SJ10903 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10903 7.4SJ10915 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10915 7.3SJ10916 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10916 \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": "<p><strong>IBM strongly recommends addressing the vulnerability now.</strong></p><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>SJ10899</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10899</a></td></tr><tr><td>7.5</td><td>SJ10903</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10903\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10903</a></td></tr><tr><td>7.4</td><td>SJ10915</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10915\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10915</a></td></tr><tr><td>7.3</td><td>SJ10916</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10916\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10916</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>"}]}]}}}

{}

{"affected": [{"affectedData": [{"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:*:*:*:*:*:*:*"], "product": "i", "vendor": "IBM", "versions": [{"status": "affected", "version": "7.6"}, {"status": "affected", "version": "7.5"}, {"status": "affected", "version": "7.4"}, {"status": "affected", "version": "7.3"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "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 due to improper validation of input size."}], "id": "CVE-2026-17271", "lastModified": "2026-08-12T20:53:43.330", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-08-12T18:17:26.557", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7283276"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "i", "source": "cna", "vendor": "IBM"}, "product": "i", "vendor": "ibm"}], "created": "2026-08-12T20:15:03.202436+00:00", "updated": "2026-08-12T20:15:03.202457+00:00", "vendors": ["ibm", "ibm$PRODUCT$i"]}