CVE-2026-18871
—CVSS 3.1
7.3 high
EPSS
<1%p1
Published
()
Modified
Description
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.
- Vendors
- ibm
- Products
- power system s1122 \(9824-22a\) firmware, power system s1124 \(9824-42a\) firmware, power system s1122s \(9824-22b\) firmware, power system s1114 \(9824-41b\) firmware, power system l1122 \(9856-22h\) firmware, power system l1124 \(9856-42h\) firmware, power system e1150 \(9043-mru\) firmware, power system s1112 \(9242-21b\) firmware, power system s1112 \(9242-21t\) firmware, power system e1080 \(9080-hex\) firmware, power system s1022 \(9105-22a\) firmware, power system s1024 \(9105-42a\) firmware
- Weakness
- CWE-121
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
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