CVE-2026-94440CWE-770denial-of-service

CVE-2026-94440

High · published October 9, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
33.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00404 · 33.5th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-09T03:17Z
References (4)
https://go.dev/cl/847307 · [email protected]https://go.dev/issue/81741 · [email protected]https://groups.google.com/g/golang-announce/c/U2fTuyDJznI · [email protected]https://pkg.go.dev/vuln/GO-2026-6608 · [email protected]
EPSS history
Timeline
  • 10 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 08 OCT 22:53Z
    Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart
    cvelistv5
  • 08 OCT 22:53Z
    Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart
    cvelistv5