Power System Buffer Overflow
Summary
| CVE | CVE-2026-19234 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-19 18:16:36 UTC |
| Updated | 2026-08-21 04:18:02 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 8.2 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.001230000 probability, percentile 0.024990000 (date 2026-08-21)
Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based Buffer Overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.2 | HIGH | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.2 | HIGH | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | Power Systems Firmware | affected FW1120.00 | Not specified |
| CNA | IBM | Power Systems Firmware | affected FW1110.00 FW1110.30 semver | Not specified |
| CNA | IBM | Power Systems Firmware | affected FW1060.00 FW1060.80 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7283221 | [email protected] | www.ibm.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability. Power 11 IBM Power System E1180 (9080-HEU) Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability. Power 11 IBM Power System S1122 (9824-22A) IBM Power System S1124 (9824-42A) IBM Power System S1122s (9824-22B) IBM Power System S1114 (9824-41B) IBM Power System L1122 (9856-22H) IBM Power System L1124 (9856-42H) IBM Power System E1150 (9043-MRU) Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability. Power 11 IBM Power System S1112 (9242-21B, 9242-21T) Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability. Power 10 IBM Power System E1080 (9080-HEX) Customers with the products below should install FW1060.81(1060_191), or newer to remediate this vulnerability. Power 10 IBM Power System S1022 (9105-22A) IBM Power System S1024 (9105-42A) IBM Power System S1022s (9105-22B) IBM Power System S1014 (9105-41B) IBM Power System L1022 (9786-22H) IBM Power System L1024 (9786-42H) IBM Power System E1050 (9043-MRX) IBM Power System S1012 (9028-21B) The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/