{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18857", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-04T16:01:27.817Z", "datePublished": "2026-09-24T14:13:50.386Z", "dateUpdated": "2026-09-24T14:54:35.705Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-24T14:13:50.386Z"}, "title": "This Power System update is being released to address", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "OPENBMC", "versions": [{"status": "affected", "version": "FW1120.00", "lessThanOrEqual": "FW1120.01", "versionType": "semver"}, {"status": "affected", "version": "FW1110.00", "lessThanOrEqual": "FW1110.31", "versionType": "semver"}, {"status": "affected", "version": "FW1060.00", "lessThanOrEqual": "FW1060.81", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:openbmc:fw1120.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.01:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1120.01.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.31:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1110.31.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.00:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.00.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.81:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:openbmc:fw1060.81.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

IBM OPENBMC FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in the BMC firmware management interface. The host system can cause the BMC firmware management service to crash or allow a limited amount of BMC internal memory to be read, resulting in a confidentiality and availability impact to the managed system.

"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7289253", "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": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "LOW", "baseScore": 3.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L"}}], "workarounds": [{"lang": "en", "value": "Only install system firmware from trusted sources.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

Only install system firmware from trusted sources.

"}]}], "solutions": [{"lang": "en", "value": "Customers with the products below should install FW1120.02(1120_195), FW1110.32(1110_160) or newer to remediate this vulnerability.\n\n\n\nPower 11\n1) IBM Power System S1122 (9824-22A)\n2) IBM Power System S1124 (9824-42A)\n3) IBM Power System S1122s (9824-22B)\n4) IBM Power System S1114 (9824-41B)\n5) IBM Power System L1122 (9856-22H)\n6) IBM Power System L1124 (9856-42H)\n7) IBM Power System E1150 (9043-MRU)\n8) IBM Power System S1112 (9242-21B, 9242-21T)\n\n\n\nCustomers with the products below should install FW1060.82(1060_199) or newer to remediate this vulnerability.\n\n\n\nPower 10\n1) IBM Power System S1022 (9105-22A)\n2) IBM Power System S1024 (9105-42A)\n3) IBM Power System S1022s (9105-22B)\n4) IBM Power System S1014 (9105-41B)\n5) IBM Power System L1022 (9786-22H)\n6) IBM Power System L1024 (9786-42H)\n7) IBM Power System E1050 (9043-MRX)\n8) IBM Power System S1012 (9028-21B)\n\n\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/", "supportingMedia": [{"type": "text/html", "base64": false, "value": "

Customers with the products below should install FW1120.02(1120_195), FW1110.32(1110_160) or newer to remediate this vulnerability.

Power 11
1) IBM Power System S1122 (9824-22A)
2) IBM Power System S1124 (9824-42A)
3) IBM Power System S1122s (9824-22B)
4) IBM Power System S1114 (9824-41B)
5) IBM Power System L1122 (9856-22H)
6) IBM Power System L1124 (9856-42H)
7) IBM Power System E1150 (9043-MRU)
8) IBM Power System S1112 (9242-21B, 9242-21T)

Customers with the products below should install FW1060.82(1060_199) or newer to remediate this vulnerability.

Power 10
1) IBM Power System S1022 (9105-22A)
2) IBM Power System S1024 (9105-42A)
3) IBM Power System S1022s (9105-22B)
4) IBM Power System S1014 (9105-41B)
5) IBM Power System L1022 (9786-22H)
6) IBM Power System L1024 (9786-42H)
7) IBM Power System E1050 (9043-MRX)
8) IBM Power System S1012 (9028-21B)

The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/

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