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EUVD-2026-47664

🗓️ 22 Jul 2026 13:04:35Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Unbound DNSCrypt over transmission control may overflow reply buffer, causing denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40691
22 Jul 202613:04
attackerkb
CVE
CVE-2026-40691
22 Jul 202613:04
cve
Cvelist
CVE-2026-40691 Packet of death for DNSCrypt over TCP
22 Jul 202613:04
cvelist
Debian CVE
CVE-2026-40691
22 Jul 202613:04
debiancve
NVD
CVE-2026-40691
22 Jul 202614:17
nvd
OSV
DEBIAN-CVE-2026-40691
22 Jul 202617:48
osv
Positive Technologies
PT-2026-63371
22 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-40691
22 Jul 202616:08
redhatcve
RedHat Linux
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
22 Jul 202614:15
redhat
RedHat Linux
unbound: Unbound: Denial of Service via crafted DNSCrypt query
22 Jul 202614:15
redhat
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "5a292305-3110-3705-b060-52e800e39292",
        "vendor": {
          "name": "NLnet Labs"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "16967c2e-e7b9-3627-a35f-5a26f1de78d7",
        "product": {
          "name": "Unbound",
          "vendor": {
            "name": "NLnet Labs"
          }
        },
        "product_version": "1.9.0 <1.25.2"
      }
    ]
  }
]

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22 Jul 2026 14:31Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
SSVC
4