FKIE_CVE-2026-94440

Vulnerability from fkie_nvd - Published: 2026-10-08 23:17 - Updated: 2026-10-08 23:17
Severity
Summary
Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes.
References
security@golang.orghttps://go.dev/cl/847307
security@golang.orghttps://go.dev/issue/81741
security@golang.orghttps://groups.google.com/g/golang-announce/c/U2fTuyDJznI
security@golang.orghttps://pkg.go.dev/vuln/GO-2026-6608
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/textproto",
          "product": "net/textproto",
          "programRoutines": [
            {
              "name": "readMIMEHeader"
            },
            {
              "name": "Reader.readContinuedLineSlice"
            },
            {
              "name": "Reader.ReadContinuedLine"
            },
            {
              "name": "Reader.ReadContinuedLineBytes"
            },
            {
              "name": "Reader.ReadMIMEHeader"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.26.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.27.2",
              "status": "affected",
              "version": "1.27.0-0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "mime/multipart",
          "product": "mime/multipart",
          "programRoutines": [
            {
              "name": "Part.populateHeaders"
            },
            {
              "name": "Reader.readForm"
            },
            {
              "name": "Reader.NextPart"
            },
            {
              "name": "Reader.NextRawPart"
            },
            {
              "name": "Reader.ReadForm"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.26.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.27.2",
              "status": "affected",
              "version": "1.27.0-0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@golang.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Parsing a multipart form can bypass memory limits and read an arbitrarily long line into memory when the remaining limit at the start of a part is less than 400 bytes."
    }
  ],
  "id": "CVE-2026-94440",
  "lastModified": "2026-10-08T23:17:04.917",
  "metrics": {},
  "published": "2026-10-08T23:17:04.917",
  "references": [
    {
      "source": "security@golang.org",
      "url": "https://go.dev/cl/847307"
    },
    {
      "source": "security@golang.org",
      "url": "https://go.dev/issue/81741"
    },
    {
      "source": "security@golang.org",
      "url": "https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"
    },
    {
      "source": "security@golang.org",
      "url": "https://pkg.go.dev/vuln/GO-2026-6608"
    }
  ],
  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Received"
}



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