CVE-2025-43214

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: shandikri working with Trend Micro Zero Day Initiative, Google V8 Security Team

Attribute Value
CVE CVE-2025-43214
Bugzilla 292599
Component JSC
Bug Class LogicError
Severity medium
Commit 666190cff29d03c1…
Advisory Apple Advisory

Root Cause Analysis

The issue was addressed with improved memory handling.

Files Changed

Source Files

  • Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
  • Source/JavaScriptCore/wasm/WasmIPIntGenerator.cpp
  • Source/JavaScriptCore/wasm/WasmIPIntGenerator.h

Test Files

  • JSTests/wasm/stress/wasm-try-table-catching-backwards.js