GO-2026-6608

Source
https://pkg.go.dev/vuln/GO-2026-6608
Import Source
https://vuln.go.dev/ID/GO-2026-6608.json
JSON Data
https://api.osv.dev/v1/vulns/GO-2026-6608
Aliases
  • CVE-2026-94440
Published
2026-10-08T22:31:09Z
Modified
2026-10-08T23:00:13Z
Summary
Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart
Details

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.

Database specific
{
    "review_status": "REVIEWED",
    "url": "https://pkg.go.dev/vuln/GO-2026-6608"
}
References
Credits
    • Jakub Ciolek (https://ciolek.dev)

Affected packages

Go / stdlib

Package

Name
stdlib
View open source insights on deps.dev
Purl
pkg:golang/stdlib

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.26.9
Introduced
1.27.0-0
Fixed
1.27.2

Ecosystem specific

{
    "imports": [
        {
            "path": "net/textproto",
            "symbols": [
                "Reader.ReadContinuedLine",
                "Reader.ReadContinuedLineBytes",
                "Reader.ReadMIMEHeader",
                "Reader.readContinuedLineSlice",
                "readMIMEHeader"
            ]
        },
        {
            "path": "mime/multipart",
            "symbols": [
                "Part.populateHeaders",
                "Reader.NextPart",
                "Reader.NextRawPart",
                "Reader.ReadForm",
                "Reader.readForm"
            ]
        }
    ]
}

Database specific

source
"https://vuln.go.dev/ID/GO-2026-6608.json"