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CVE-2026-39836 Panic in Dial and LookupPort when handling NUL byte on Windows in net

🗓️ 07 May 2026 19:41:18Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 91 Views

CVE-2026-39836 causes panic in Dial and LookupPort on Windows when input contains a null byte.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
osv
OSV
MINI-QQ4H-XM56-F6CH
11 May 202618:47
osv
osv
OSV
MINI-QQ6X-7599-7WJ8
10 May 202620:17
osv
osv
OSV
MINI-QR2C-QRP4-PJ5M
11 May 202610:03
osv
osv
OSV
MINI-QR8R-32MG-WHMG
11 May 202623:20
osv
osv
OSV
MINI-QRHR-R4W7-HF7H
11 May 202618:47
osv
osv
OSV
MINI-QVF8-G6WJ-99RC
2 Jul 202613:23
osv
osv
OSV
MINI-QVGM-4J3X-85R9
11 May 202619:34
osv
osv
OSV
MINI-QW69-QV4R-WRHV
11 May 202610:03
osv
osv
OSV
MINI-QX49-WHX7-6HXP
11 May 202606:03
osv
osv
OSV
MINI-R346-HQ5R-4C6F
11 May 202610:17
osv
Rows per page
[
  {
    "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": "Resolver.lookupPort"
      },
      {
        "name": "Resolver.lookupAddr"
      },
      {
        "name": "Resolver.lookupTXT"
      },
      {
        "name": "Resolver.lookupNS"
      },
      {
        "name": "Resolver.lookupMX"
      },
      {
        "name": "Resolver.lookupSRV"
      },
      {
        "name": "Dial"
      },
      {
        "name": "DialTimeout"
      },
      {
        "name": "Dialer.Dial"
      },
      {
        "name": "Dialer.DialContext"
      },
      {
        "name": "Listen"
      },
      {
        "name": "ListenConfig.Listen"
      },
      {
        "name": "ListenConfig.ListenPacket"
      },
      {
        "name": "ListenPacket"
      },
      {
        "name": "LookupAddr"
      },
      {
        "name": "LookupCNAME"
      },
      {
        "name": "LookupHost"
      },
      {
        "name": "LookupIP"
      },
      {
        "name": "LookupMX"
      },
      {
        "name": "LookupNS"
      },
      {
        "name": "LookupPort"
      },
      {
        "name": "LookupSRV"
      },
      {
        "name": "LookupTXT"
      },
      {
        "name": "ResolveIPAddr"
      },
      {
        "name": "ResolveTCPAddr"
      },
      {
        "name": "ResolveUDPAddr"
      },
      {
        "name": "Resolver.LookupAddr"
      },
      {
        "name": "Resolver.LookupCNAME"
      },
      {
        "name": "Resolver.LookupHost"
      },
      {
        "name": "Resolver.LookupIP"
      },
      {
        "name": "Resolver.LookupIPAddr"
      },
      {
        "name": "Resolver.LookupMX"
      },
      {
        "name": "Resolver.LookupNS"
      },
      {
        "name": "Resolver.LookupNetIP"
      },
      {
        "name": "Resolver.LookupPort"
      },
      {
        "name": "Resolver.LookupSRV"
      },
      {
        "name": "Resolver.LookupTXT"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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