← CVE Intelligence

CVE-2026-18871

Power System Buffer Overflow PUBLISHED

Description (CNA)

IBM PowerVM Hypervisor FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in host firmware configuration parsing. An attacker with authenticated service-level access to the service processor can write specially crafted configuration data, causing the host firmware boot stack to crash with possible memory corruption during system initialisation, resulting in an integrity and availability impact to the managed system.

Affected (CNA)

Vendor / productVersions
IBM / PowerVM Hypervisoraffected FW1120.00; affected FW1110.00 through FW1110.30; affected FW1060.00 through FW1060.80

CWE

CWE-121

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.