CVE-2026-0665 - Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq

CVE ID : CVE-2026-0665 Published : Feb. 18, 2026, 9:16 p.m. | 53 minutes ago Description : An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption. Severity: 6.5 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...