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CVE-2026-39820

🗓️ 07 May 2026 19:41:19Reported by GoType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 152 Views

CVE-2026-39820: CPU exhaustion and memory growth from quadratic string concat in net/mail consumeComment.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
osv
OSV
MINI-J6XW-7P7Q-P2XQ
11 May 202606:17
osv
osv
OSV
MINI-J76R-QJJ8-8PVV
11 May 202606:17
osv
osv
OSV
MINI-J7WV-XMHQ-5CJG
10 May 202620:17
osv
osv
OSV
MINI-J874-64P5-93HV
11 May 202610:02
osv
osv
OSV
MINI-J976-7HG5-5MFH
11 May 202619:33
osv
osv
OSV
MINI-JCM9-767R-R26W
11 May 202610:17
osv
osv
OSV
MINI-JCQ7-QWX5-F29F
16 Jul 202613:41
osv
osv
OSV
MINI-JF4J-2MHP-RRJJ
12 May 202603:49
osv
osv
OSV
MINI-JFG6-XXXR-XFG6
11 May 202609:33
osv
osv
OSV
MINI-JFQ6-MVW7-MCV9
11 May 202618:30
osv
Rows per page
NVD
Node
OR
golanggoRange<1.25.10
golanggoRange1.26.01.26.3
[
  {
    "vendor": "Go standard library",
    "product": "net/mail",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/mail",
    "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": "addrParser.consumeComment"
      },
      {
        "name": "AddressParser.Parse"
      },
      {
        "name": "AddressParser.ParseList"
      },
      {
        "name": "Header.AddressList"
      },
      {
        "name": "Header.Date"
      },
      {
        "name": "ParseAddress"
      },
      {
        "name": "ParseAddressList"
      },
      {
        "name": "ParseDate"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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04 Aug 2026 13:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00784
SSVC
152