Riskcovery

CVE-2026-17093

Power System Buffer Overflow

State
Published
Severity
8.2 High
Published
Aug 19, 2026
Updated
Aug 21, 2026
Reserved
Jul 24, 2026

Read the record on cve.org

Description

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 - OP940.81 (Power HMC) is affected by a vulnerability in host firmware configuration parsing. An attacker with service-level access to the BMC/FSP can supply specially crafted configuration data, compromising the host firmware boot stage and everything subsequently loaded by it, resulting in a confidentiality, integrity, and availability impact to the managed system.

Scores

CVSSScoreVectorSource
3.18.2 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hibm

Weaknesses

  • CWE-121 Stack-based Buffer Overflow

Affected Products

ProductVersions
Power Systems FirmwareIBM
  • FW1120.00Affected
  • FW1110.00 through FW1110.30Affected
  • FW1060.00 through FW1060.80Affected
  • FW950.00 through FW950.H2Affected
  • OP940.00 through OP940.a1Affected
  • OP940.00 through OP940.81Affected

References

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