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TI-2018-12686 Aliases CVE-2018-17847GHSA-4r78-hx75-jjj2

The html package (aka x/net/html) through 2018-09-25 in Go mishandles…

Priority LOW 37CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <svg><template><desc><t><svg></template>, leading to a "panic: runtime error" (index out of range) in (*nodeStack).pop in node.go, called from (*parser).clearActiveFormattingElements, during an html.Parse call.

Why it matters now

EPSS 0.02364 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial golang.org/x/net (Go): 0.0.0-20190125002852-4b62a64f59f7Red Hat: 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—golang.org/x/net (Go)before 0.0.0-20190125002852-4b62a64f59f70.0.0-20190125002852-4b62a64f59f7Patch availableGHSA-4r78-hx75-jjj2
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • golang.org/x/net (Go) Vendor— Affected before 0.0.0-20190125002852-4b62a64f59f7 Fixed in 0.0.0-20190125002852-4b62a64f59f7 Patch available GHSA-4r78-hx75-jjj2

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:golang:net:*:*:*:*:*:*:*:*up to 2018-09-25VulnerableGo standard library
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*28VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*29VulnerableFedoraproject
  • cpe:2.3:a:golang:net:*:*:*:*:*:*:*:* Versions up to 2018-09-25 Vulnerable ·Go standard library
  • cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject

Remediation

  • Fix · GHSA-4r78-hx75-jjj2 golang.org/x/net (Go) Fixed in 0.0.0-20190125002852-4b62a64f59f7 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 9 (Mitaka) Operational ToolsAffectedNo fix planned: Will not fix
Red Hat Storage 3AffectedNo fix planned: Will not fix
Not affected: 17 products
  • Red Hat Ceph Storage 2
  • Red Hat Ceph Storage 3
  • Red Hat Enterprise Linux 7
  • Red Hat OpenShift Container Platform 3.10
  • Red Hat OpenShift Container Platform 3.11
  • Red Hat OpenShift Container Platform 3.2
  • Red Hat OpenShift Container Platform 3.3
  • Red Hat OpenShift Container Platform 3.4
  • Red Hat OpenShift Container Platform 3.5
  • Red Hat OpenShift Container Platform 3.6
  • Red Hat OpenShift Container Platform 3.7
  • Red Hat OpenShift Container Platform 3.9
  • Red Hat OpenShift Enterprise 3.0
  • Red Hat OpenShift Enterprise 3.1
  • Red Hat OpenStack Platform 8 (Liberty) Operational Tools
  • Red Hat OpenStack Platform 9 (Mitaka) Operational Tools
  • Red Hat Storage 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17847
  2. 2026-10-03 Alias added: GHSA-4r78-hx75-jjj2

References

Exploit 1

Advisory 3

Other 7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences