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Fencer Vulns
high 7.5

CVE-2017-1000098 json

Denial of service when parsing large forms in mime/multipart

published 2017-10-04 9 y ago modified 2026-06-17 4 mo ago also GO-2021-0172 , EUVD-2017-1402

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

The net/http package's Request.ParseMultipartForm method starts writing to temporary files once the request body size surpasses the given "maxMemory" limit. It was possible for an attacker to generate a multipart request crafted such that the server ran out of file descriptors.

Patch / fix

  • go stdlib 1.6.4, 1.7.4
  • golang go 1.6.4, 1.7.4
  • golang RHEL 7 1.8.3-1.el7
  • golang-bin RHEL 7 1.8.3-1.el7
  • golang-src RHEL 7 1.8.3-1.el7
  • golang-misc RHEL 7 1.8.3-1.el7
  • golang-tests RHEL 7 1.8.3-1.el7

red hat advisories RHSA-2017:1859

  • go Arch Linux 2:1.8-1

arch linux advisories AVG-433

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-1000098 updated cvss 5.9

golang: net/http: multipart ReadForm close file after copy

  • Red Hat OpenStack Platform 8 (Liberty) Operational Tools golang, golang-src, golang-pkg-linux-amd64, golang-pkg-bin-linux-amd64 Red Hat OpenStack Platform 9 (Mitaka) Operational Tools golang, golang-bin, golang-src
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Server Optional (v. 7) golang 1.8.3-1.el7, golang-bin 1.8.3-1.el7, golang-src 1.8.3-1.el7, golang-misc 1.8.3-1.el7, golang-tests 1.8.3-1.el7
    fixed: vendor fix RHSA-2017:1859
  • Red Hat OpenShift Enterprise 3 golang Red Hat OpenStack Platform 10 (Newton) Operational Tools golang
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected packages

ecosystem package affected fixed in
go stdlib
<1.6.4
>=1.7.0-0, <1.7.4
1.6.4
1.7.4

Classification

Weakness
  • CWE-769 DEPRECATED: Uncontrolled File Descriptor Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.