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TI-2018-08377 Aliases CVE-2018-11713GHSA-q6g9-cxvx-7pq9

WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network…

Priority LOW 32Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Partial Red Hat: 10 fixed, 2 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0, unexpectedly failed to use system proxy settings for WebSocket connections. As a result, users could be deanonymized by crafted web sites via a WebSocket connection.

Why it matters now

EPSS 0.01555 75th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 10 fixed, 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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*before 2.20.0VulnerableWebKitGTK
cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*before 2.62.0VulnerableGNOME
  • cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* Versions before 2.20.0 Vulnerable ·WebKitGTK
  • cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:* Versions before 2.62.0 Vulnerable ·GNOME

Remediation

Red Hat 1 advisory

  • RHSA-2018:3140 Released 2018-10-30 · Red Hat rating Moderate
    GNOME security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, PackageKit-glib-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux Client Optional (v. 7) PackageKit-1.1.10-1.el7, PackageKit-cron-1.1.10-1.el7, PackageKit-glib-devel-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux ComputeNode (v. 7) PackageKit-1.1.10-1.el7, PackageKit-glib-1.1.10-1.el7, adwaita-cursor-theme-3.28.0-1.el7 +47
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, PackageKit-cron-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux Server (v. 7) PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, PackageKit-glib-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux Server Optional (v. 7) PackageKit-1.1.10-1.el7, PackageKit-1.1.10-1.el7.ppc, PackageKit-cron-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux Workstation (v. 7) PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, PackageKit-glib-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux Workstation Optional (v. 7) PackageKit-1.1.10-1.el7, PackageKit-cron-1.1.10-1.el7, PackageKit-glib-devel-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) PackageKit-1.1.10-1.el7, PackageKit-command-not-found-1.1.10-1.el7, PackageKit-glib-1.1.10-1.el7 +47
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) PackageKit-1.1.10-1.el7, PackageKit-cron-1.1.10-1.el7, PackageKit-glib-devel-1.1.10-1.el7 +47

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3140
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3140
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-11713
  2. 2026-10-03 Alias added: GHSA-q6g9-cxvx-7pq9

References

Patch 2

Advisory 1

Sources

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