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CVE-2026-33811

🗓️ 07 May 2026 19:41:19Reported by GoType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 159 Views

CVE-2026-33811 causes crash and double-free in net LookupCNAME with long CNAMEs via cgo.

Related
Detection
Affected
Refs
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NVD
Node
OR
golanggoRange<1.25.10
golanggoRange1.26.01.26.3
[
  {
    "vendor": "Go standard library",
    "product": "net",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.3",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "cgoResSearch"
      },
      {
        "name": "LookupCNAME"
      },
      {
        "name": "Resolver.LookupCNAME"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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07 Aug 2026 12:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00813
SSVC
159