WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network…
Priority LOW 35CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · None · 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. Impact type from CWE-295.
Summary
WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ versions 2.20.0 and 2.20.1, failed to perform TLS certificate verification for WebSocket connections.
Why it matters now
EPSS 0.01159 67th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2018:3140 Released 2018-10-30 · Red Hat rating ModerateGNOME 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No 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
- 2026-10-02 Threatist record created from CVE-2018-11712
- 2026-10-03 Alias added: GHSA-2c7h-c396-x7rf
References
More Webkitgtk+ vulnerabilities
- TI-2023-22996 Out-of-bounds write in Apple Safari KEVCVSS 3.1HIGH 8.8
- TI-2023-22374 Improper check for unusual conditions in Apple macOS KEVCVSS 3.1HIGH 8.8
- TI-2023-19062 Apple Safari: Processing web content may lead to arbitrary code execution KEVCVSS 3.1HIGH 8.8
- TI-2023-15726 Type confusion in Apple iOS and iPadOS KEVCVSS 3.1HIGH 8.8
- TI-2023-15664 Use after free in Apple macOS KEVCVSS 3.1HIGH 8.8
- TI-2023-22995 Out-of-bounds read in Apple Safari KEVCVSS 3.1MEDIUM 6.5
Sources
- CVE-2018-11712 · CVE Program
- CVE-2018-11712 · NVD
- FIRST EPSS
- GHSA-2c7h-c396-x7rf · GitHub Advisory Database · CC BY 4.0
- CVE-2018-11712 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences