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CVE-2026-47843

Estado: AnalizadaBaja (3.7)—

In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver. Reactor Netty 1.3.0 - 1.3.6 Reactor Netty 1.1.0 - 1.2.18 Reactor Netty 1.0.52 and earlier

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-47843",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-08-26T19:31:55.895962Z"
        }
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          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
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  "affected": [
    {
      "source": "security@vmware.com",
      "affectedData": [
        {
          "vendor": "Spring",
          "product": "Reactor Netty",
          "versions": [
            {
              "status": "affected",
              "version": "1.3.0",
              "versionType": "custom",
              "lessThanOrEqual": "1.3.6"
            },
            {
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              "version": "1.1.0",
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              "version": "0",
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  "published": "2026-08-26T20:17:26.193",
  "references": [
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      "url": "https://spring.io/security/cve-2026-47843",
      "tags": [
        "Vendor Advisory"
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      "source": "security@vmware.com"
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    }
  ],
  "lastModified": "2026-09-04T19:11:22.780",
  "configurations": [
    {
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        {
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          "operator": "OR"
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  "sourceIdentifier": "security@vmware.com"
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