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CVE-2026-93009

🗓️ 29 Oct 2026 13:13:34Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Heap out-of-bounds read in dnsmasq DHCPv6 client hostname parser.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93009
29 Oct 202613:31
–circl
cvelist
Cvelist
CVE-2026-93009 Dnsmasq: dnsmasq: heap out-of-bounds read in dhcpv6 option 39 fqdn decoder
29 Oct 202613:13
–cvelist
debiancve
Debian CVE
CVE-2026-93009
30 Oct 202600:41
–debiancve
euvd
EUVD
EUVD-2026-112826
29 Oct 202613:13
–euvd
nvd
NVD
CVE-2026-93009
29 Oct 202614:18
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-93009
29 Oct 202614:18
–osv_debian
ptsecurity
Positive Technologies
PT-2026-132140
29 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-93009: Red Hat: A flaw was found in dnsmasq
29 Oct 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-93009
29 Oct 202613:13
–redhatcve
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Ceph Storage 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhceph/alloy-rhel10",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:ceph_storage:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "dnsmasq",
    "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": "dnsmasq",
    "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": "dnsmasq",
    "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": "dnsmasq",
    "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": "dnsmasq",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift4/ose-baremetal-runtimecfg-rhel8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift4/ose-baremetal-runtimecfg-rhel9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenStack Platform 13 (Queens)",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "dnsmasq",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openstack:13"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenStack Platform 18.0",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhoso-operators/infra-rhel9-operator",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openstack:18.0"
    ]
  }
]

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29 Oct 2026 14:18Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.14.3
6