CVE-2026-19234

IBM Power Systems firmware (FW1120.00, FW1110.00–.30, FW1060.00–.80) suffers CWE-121 stack-based buffer overflow in the host boot image validation path. An attacker with service processor access can inject a malicious code update image, achieving arbitrary host code execution with HIGH confidenti...

CVE-2026-19234 Power System Buffer Overflow

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,...