CVE-2026-96263

IBM Power Systems Firmware is affected by a stack-based buffer overflow (CWE-121) within the host firmware boot process image validation path. An attacker with service access to the service processor can provide a maliciously crafted code update image, leading to arbitrary code execution on the h...

CVE-2026-96263 IBM Power Systems Firmware Buffer Overflow

IBM Power Systems Firmware FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 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 co...

Security Bulletin: This Power System update is being released to address CVE-2026-96263

Summary Power Systems Firmware 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...