HIGH 7.8 NVD
CVE-2026-18917
A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows cr
A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows crafted values to bypass a size check, leading to an undersized memory buffer. Subsequently, real NUMA node data can overwrite this buffer. This heap buffer overflow can corrupt the root libvirt daemon's memory, potentially leading to a denial of service or local privilege escalation.
References
- https://access.redhat.com/security/cve/CVE-2026-18917
- https://bugzilla.redhat.com/show_bug.cgi?id=2520161
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-08-20 via NVD.
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