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CVE-2026-5950

🗓️ 20 May 2026 13:10:19Reported by iscType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 165 Views

Unbounded resend loop in BIND resolver during bad server handling causes remote resource exhaustion.

Related
Detection
Affected
Refs
Social
NVD
CNA
Node
iscbindRange9.18.369.18.49-
OR
iscbindRange9.20.89.20.23-
OR
iscbindRange9.21.79.21.21-
[
  {
    "vendor": "ISC",
    "product": "BIND 9",
    "versions": [
      {
        "version": "9.18.36",
        "lessThanOrEqual": "9.18.48",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.8",
        "lessThanOrEqual": "9.20.22",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.21.7",
        "lessThanOrEqual": "9.21.21",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.18.36-S1",
        "lessThanOrEqual": "9.18.48-S1",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.9-S1",
        "lessThanOrEqual": "9.20.22-S1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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21 May 2026 15:24Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
EPSS0.00078
SSVC
165