CVE-2026-19234

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19234", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-07T11:24:51.144Z", "datePublished": "2026-08-19T18:02:11.071Z", "dateUpdated": "2026-08-21T03:57:09.120Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-08-19T19:05:06.892Z"}, "title": "Power System Buffer Overflow", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Power Systems Firmware", "versions": [{"status": "affected", "version": "FW1120.00"}, {"status": "affected", "version": "FW1110.00", "lessThanOrEqual": "FW1110.30", "versionType": "semver"}, {"status": "affected", "version": "FW1060.00", "lessThanOrEqual": "FW1060.80", "versionType": "semver"}], "cpes": ["cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware boot process image validation path. An attacker with service access to the service processor can supply a maliciously crafted code update image, allowing arbitrary code to be executed on the host system. Successful exploitation could result in a confidentiality, integrity, and availability impact to the affected host system.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the host firmware boot process image validation path. An attacker with service access to the service processor can supply a maliciously crafted code update image, allowing arbitrary code to be executed on the host system. Successful exploitation could result in a confidentiality, integrity, and availability impact to the affected host system.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7283221", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\nIBM Power System E1180 (9080-HEU)\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1122 (9824-22A)\nIBM Power System S1124 (9824-42A)\nIBM Power System S1122s (9824-22B)\nIBM Power System S1114 (9824-41B)\nIBM Power System L1122 (9856-22H)\nIBM Power System L1124 (9856-42H)\nIBM Power System E1150 (9043-MRU)\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1112 (9242-21B, 9242-21T)\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\nIBM Power System E1080 (9080-HEX)\nCustomers with the products below should install FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\nIBM Power System S1022 (9105-22A)\nIBM Power System S1024 (9105-42A)\nIBM Power System S1022s (9105-22B)\nIBM Power System S1014 (9105-41B)\nIBM Power System L1022 (9786-22H)\nIBM Power System L1024 (9786-42H)\nIBM Power System E1050 (9043-MRX)\nIBM Power System S1012 (9028-21B)\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System E1180 (9080-HEU)</li></ol><p>Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System S1122 (9824-22A)</li><li>IBM Power System S1124 (9824-42A)</li><li>IBM Power System S1122s (9824-22B)</li><li>IBM Power System S1114 (9824-41B)</li><li>IBM Power System L1122 (9856-22H)</li><li>IBM Power System L1124 (9856-42H)</li><li>IBM Power System E1150 (9043-MRU)</li></ol><p>Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.</p><p>Power 11</p><ol><li>IBM Power System S1112 (9242-21B, 9242-21T)</li></ol><p><br/>Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System E1080 (9080-HEX)</li></ol><p>Customers with the products below should install\u00a0 FW1060.81(1060_191), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System S1022 (9105-22A)</li><li>IBM Power System S1024 (9105-42A)</li><li>IBM Power System S1022s (9105-22B)</li><li>IBM Power System S1014 (9105-41B)</li><li>IBM Power System L1022 (9786-22H)</li><li>IBM Power System L1024 (9786-42H)</li><li>IBM Power System E1050 (9043-MRX)</li><li>IBM Power System S1012 (9028-21B)</li></ol><p><em>The images mentioned above can be located at IBM Fix Central : </em><a href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\"><em>https://www.ibm.com/support/fixcentral/</em></a></p>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-20T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-19234"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-21T03:57:09.120Z"}}]}}

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[{"cpes": ["cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Power Systems Firmware", "versions": [{"status": "affected", "version": "FW1120.00"}, {"status": "affected", "version": "FW1110.00", "versionType": "semver", "lessThanOrEqual": "FW1110.30"}, {"status": "affected", "version": "FW1060.00", "versionType": "semver", "lessThanOrEqual": "FW1060.80"}]}], "solutions": [{"lang": "en", "value": "Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\nIBM Power System E1180 (9080-HEU)\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1122 (9824-22A)\nIBM Power System S1124 (9824-42A)\nIBM Power System S1122s (9824-22B)\nIBM Power System S1114 (9824-41B)\nIBM Power System L1122 (9856-22H)\nIBM Power System L1124 (9856-42H)\nIBM Power System E1150 (9043-MRU)\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\nIBM Power System S1112 (9242-21B, 9242-21T)\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\nIBM Power System E1080 (9080-HEX)\nCustomers with the products below should install FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\nIBM Power System S1022 (9105-22A)\nIBM Power System S1024 (9105-42A)\nIBM Power System S1022s (9105-22B)\nIBM Power System S1014 (9105-41B)\nIBM Power System L1022 (9786-22H)\nIBM Power System L1024 (9786-42H)\nIBM Power System E1050 (9043-MRX)\nIBM Power System S1012 (9028-21B)\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/", "supportingMedia": [{"type": "text/html", "value": "<p>Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System E1180 (9080-HEU)</li></ol><p>Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.<br/>Power 11</p><ol><li>IBM Power System S1122 (9824-22A)</li><li>IBM Power System S1124 (9824-42A)</li><li>IBM Power System S1122s (9824-22B)</li><li>IBM Power System S1114 (9824-41B)</li><li>IBM Power System L1122 (9856-22H)</li><li>IBM Power System L1124 (9856-42H)</li><li>IBM Power System E1150 (9043-MRU)</li></ol><p>Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.</p><p>Power 11</p><ol><li>IBM Power System S1112 (9242-21B, 9242-21T)</li></ol><p><br/>Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System E1080 (9080-HEX)</li></ol><p>Customers with the products below should install\u00a0 FW1060.81(1060_191), or newer to remediate this vulnerability.<br/>Power 10</p><ol><li>IBM Power System S1022 (9105-22A)</li><li>IBM Power System S1024 (9105-42A)</li><li>IBM Power System S1022s (9105-22B)</li><li>IBM Power System S1014 (9105-41B)</li><li>IBM Power System L1022 (9786-22H)</li><li>IBM Power System L1024 (9786-42H)</li><li>IBM Power System E1050 (9043-MRX)</li><li>IBM Power System S1012 (9028-21B)</li></ol><p><em>The images mentioned above can be located at IBM Fix Central : </em><a href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\"><em>https://www.ibm.com/support/fixcentral/</em></a></p>", "base64": false}]}], "references": [{"url": 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