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The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly…

Priority LOW 26CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

The UNIX IPC layer in WebKit, including WebKitGTK+ prior to 2.16.3, does not properly validate certain message metadata, allowing a compromised secondary process to cause a denial of service (release assertion) of the UI process. This vulnerability does not affect Apple products.

Why it matters now

EPSS 0.01082 65th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*before 2.16.3VulnerableWebKitGTK
  • cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* Versions before 2.16.3 Vulnerable ·WebKitGTK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000122
  2. 2026-10-03 Alias added: GHSA-qhv9-mpfm-83c2

References

  • 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
See all 63 →

Sources