{"id":"CVE-2026-18102","state":"PUBLISHED","title":"IBM i Buffer Overflow","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking.","publishedAt":"2026-08-19T20:32:50.506Z","updatedAt":"2026-08-20T16:27:37.265Z","severity":{"score":3.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N","source":"ibm"},"assigner":"ibm","products":["IBM i"],"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:o:ibm:i:7.6:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7283297"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18102.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18102","state":"PUBLISHED","datePublished":"2026-08-19T20:32:50.506Z","dateUpdated":"2026-08-20T16:27:37.265Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-07-28T17:33:47.769Z"},"containers":{"cna":{"title":"IBM i Buffer Overflow","descriptions":[{"lang":"en","value":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking."}],"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:o:ibm:i:7.6:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*","cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283297","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.5,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122 Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-08-19T20:32:50.506Z"},"solutions":[{"lang":"en","value":"IBM i Release5770-999\nPTF Number(s)PTF Download Link(s)7.6MJ10886 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10886 7.5MJ10885 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10885 7.4MJ10884 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10884 7.3MJ10883 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10883 \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>5770-999<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>MJ10886</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10886\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10886</a></td></tr><tr><td>7.5</td><td>MJ10885</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10885\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10885</a></td></tr><tr><td>7.4</td><td>MJ10884</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10884\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10884</a></td></tr><tr><td>7.3</td><td>MJ10883</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10883\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ10883</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":{"id":"CVE-2026-18102","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-08-20T16:17:39.055984Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T16:27:37.265Z"}}]}}}