CVE-2026-43725

Overview

Advisory: Apple Security Advisory

Impact:

Description: A malicious website may be able to process restricted web content outside the sandbox

Researchers: Luke Francis

Attribute Value
CVE CVE-2026-43725
Bugzilla 312832
Component WebKit
Bug Class SandboxEscape
Severity medium
Commit ccf0c4874cb25ab1…
Advisory Apple Advisory

Root Cause Analysis

The issue was addressed with improved input validation.

Files Changed

Source Files

  • Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.cpp
  • Source/WebKit/UIProcess/WebPageProxy.cpp

Test Files

  • LayoutTests/ipc/load-image-for-decoding-file-url-expected.txt
  • LayoutTests/ipc/load-image-for-decoding-file-url.html