CVE-2025-43441

Overview

Advisory: Apple Security Advisory

Impact:

Description: Processing maliciously crafted web content may lead to an unexpected process crash

Researchers: rheza (@ginggilBesel)

Attribute Value
CVE CVE-2025-43441
Bugzilla 298496
Component JSC
Bug Class LogicError
Severity medium
Commit 11eaa3910d44873a…
Advisory Apple Advisory

Root Cause Analysis

The issue was addressed with improved memory handling.

Files Changed

Source Files

  • Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
  • Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp

Test Files

  • JSTests/wasm/stress/omg-tail-call-clobber-scratch-register.js