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CVE-2026-12969 Dnsmasq: dnsmasq: out-of-bounds read in find_soa() due to missing extrabytes validation

🗓️ 23 Jun 2026 13:28:56Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Dnsmasq find_soa 10-byte heap out-of-bounds read due to missing extrabytes validation in NS parsing, exploitable via crafted NXDOMAIN.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-12969
23 Jun 202613:28
attackerkb
Circl
CVE-2026-12969
23 Jun 202615:54
circl
CVE
CVE-2026-12969
23 Jun 202613:28
cve
EUVD
EUVD-2026-38449
23 Jun 202613:28
euvd
NVD
CVE-2026-12969
23 Jun 202614:17
nvd
Positive Technologies
PT-2026-51520
23 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-12969 Dnsmasq: dnsmasq: out-of-bounds read in find_soa() due to missing extrabytes validation
23 Jun 202613:28
vulnrichment
[
  {
    "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": "unaffected",
    "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": "unaffected",
    "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": "unaffected",
    "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": "unaffected",
    "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": "rhcos",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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23 Jun 2026 13:28Current
CVSS 3.15.3
6