{"id":"CVE-2026-15819","state":"PUBLISHED","title":"IBM DataPower Gateway Out-of-bounds Write","description":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to cause a denial of service due to out-of-bounds memory access caused by a strict-weak-ordering violation in a sorting comparator.","publishedAt":"2026-10-08T13:31:43.747Z","updatedAt":"2026-10-08T14:35:40.479Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"ibm"},"assigner":"ibm","products":["IBM DataPower Gateway 10.6CD","IBM DataPower Gateway 10.6.0","IBM DataPower Gateway 11.0.0","IBM DataPower Gateway 10.5.0"],"affected":[{"vendor":"IBM","product":"DataPower Gateway 10.6CD","versions":[{"version":"10.6.1","status":"affected","lessThanOrEqual":"10.6.6","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_106cd:10.6.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_106cd:10.6.6:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 10.6.0","versions":[{"version":"10.6.0.0","status":"affected","lessThanOrEqual":"10.6.0.10","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.10:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 11.0.0","versions":[{"version":"11.0.0.0","status":"affected","lessThanOrEqual":"11.0.0.2","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.2:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 10.5.0","versions":[{"version":"10.5.0.0","status":"affected","lessThanOrEqual":"10.5.0.22","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.22:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7289775"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15819.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15819","state":"PUBLISHED","datePublished":"2026-10-08T13:31:43.747Z","dateUpdated":"2026-10-08T14:35:40.479Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-07-15T13:11:41.652Z"},"containers":{"cna":{"title":"IBM DataPower Gateway Out-of-bounds Write","descriptions":[{"lang":"en","value":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to cause a denial of service due to out-of-bounds memory access caused by a strict-weak-ordering violation in a sorting comparator."}],"affected":[{"vendor":"IBM","product":"DataPower Gateway 10.6CD","versions":[{"version":"10.6.1","status":"affected","lessThanOrEqual":"10.6.6","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_106cd:10.6.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_106cd:10.6.6:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 10.6.0","versions":[{"version":"10.6.0.0","status":"affected","lessThanOrEqual":"10.6.0.10","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1060:10.6.0.10:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 11.0.0","versions":[{"version":"11.0.0.0","status":"affected","lessThanOrEqual":"11.0.0.2","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1100:11.0.0.2:*:*:*:*:*:*:*"]},{"vendor":"IBM","product":"DataPower Gateway 10.5.0","versions":[{"version":"10.5.0.0","status":"affected","lessThanOrEqual":"10.5.0.22","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:datapower_gateway_1050:10.5.0.22:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7289775","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"}}],"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":"2026-10-08T13:31:43.747Z"},"solutions":[{"lang":"en","value":"IBM strongly advises upgrading as soon as possible.\n\n\n\nKnown Issue: DT499224 https://www.ibm.com/mysupport/s/defect/aCIgJ000000IiH7/dt499224 \n\nAffected VersionsFixed in ReleaseIBM DataPower Gateway 10.6CD 10.6.1 - 10.6.611.0.0.3IBM DataPower Gateway 10.6.0 10.6.0.0 - 10.6.0.1010.6.0.11IBM DataPower Gateway 11.0.0 11.0.0.0 - 11.0.0.211.0.0.3IBM DataPower Gateway 10.5.0 10.5.0.0 - 10.5.0.2210.5.0.23","supportingMedia":[{"type":"text/html","base64":false,"value":"

IBM strongly advises upgrading as soon as possible.

Known Issue: DT499224

Affected VersionsFixed in Release
IBM DataPower Gateway 10.6CD 10.6.1 - 10.6.611.0.0.3
IBM DataPower Gateway 10.6.0 10.6.0.0 - 10.6.0.1010.6.0.11
IBM DataPower Gateway 11.0.0 11.0.0.0 - 11.0.0.211.0.0.3
IBM DataPower Gateway 10.5.0 10.5.0.0 - 10.5.0.2210.5.0.23
"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-08T14:35:34.869554Z","id":"CVE-2026-15819","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":"2026-10-08T14:35:40.479Z"}}]}}}