CVE-2026-94440 (GCVE-0-2026-94440)

Vulnerability from cvelistv5 – Published: 2026-10-08 22:53 – Updated: 2026-10-08 22:53
VLAI
Title
Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart
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.
Severity
No CVSS data available.
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
Go CNA under the Google root
CNA scorecard E 42/100 over 75 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Go standard library net/textproto Affected: 0 , < 1.26.9 (semver)
Affected: 1.27.0-0 , < 1.27.2 (semver)
guessed Create a notification for this product.
Go standard library mime/multipart Affected: 0 , < 1.26.9 (semver)
Affected: 1.27.0-0 , < 1.27.2 (semver)
guessed Create a notification for this product.
Credits
Jakub Ciolek (https://ciolek.dev)
Show details on NVD website
To clipboard 

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              "name": "Reader.ReadContinuedLine"
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          "programRoutines": [
            {
              "name": "Part.populateHeaders"
            },
            {
              "name": "Reader.readForm"
            },
            {
              "name": "Reader.NextPart"
            },
            {
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      "title": "Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart"
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    "dateReserved": "2026-09-21T16:43:04.757Z",
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        "metrics": {},
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  }
}



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