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EUVD-2026-47680

🗓️ 22 Jul 2026 13:09:40Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Unbound DNS vulnerability: serve-expired with response-ip can crash the daemon via NULL pointer.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55717
22 Jul 202613:09
attackerkb
Circl
CVE-2026-55717
22 Jul 202614:41
circl
CVE
CVE-2026-55717
22 Jul 202613:09
cve
Cvelist
CVE-2026-55717 'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash
22 Jul 202613:09
cvelist
Debian CVE
CVE-2026-55717
22 Jul 202613:09
debiancve
NVD
CVE-2026-55717
22 Jul 202614:17
nvd
OSV
DEBIAN-CVE-2026-55717
22 Jul 202617:48
osv
Positive Technologies
PT-2026-63388
22 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-55717 'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash
22 Jul 202613:09
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "98414260-0083-3d3b-96dd-e832f76b0469",
        "vendor": {
          "name": "NLnet Labs"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "81fa91e0-410c-3ca1-9e57-10a6e52bdb27",
        "product": {
          "name": "Unbound",
          "vendor": {
            "name": "NLnet Labs"
          }
        },
        "product_version": "1.10.0 <1.25.2"
      }
    ]
  }
]

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22 Jul 2026 14:07Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.15.9
SSVC
4