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CVE-2026-18917

🗓️ 20 Aug 2026 09:54:50Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Integer overflow in libvirt NodeGetFreePages RPC handler enables heap overflow, causing DoS or privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-18917
20 Aug 202613:12
circl
cvelist
Cvelist
CVE-2026-18917 Libvirt: integer overflow in nodegetfreepages rpc handler leading to heap buffer overflow
20 Aug 202609:54
cvelist
euvd
EUVD
EUVD-2026-63239
20 Aug 202609:54
euvd
nvd
NVD
CVE-2026-18917
20 Aug 202610:16
nvd
ptsecurity
Positive Technologies
PT-2026-78914
20 Aug 202600:00
ptsecurity
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libvirt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libvirt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libvirt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "virt:rhel/libvirt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libvirt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux for NVIDIA 26",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "libvirt",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_nvidia:"
    ]
  }
]

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