CVE-2025-43432

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

Attribute Value
CVE CVE-2025-43432
Bugzilla 299313
Component JSC
Bug Class UAF
Severity medium
Commit d329e095fc8c1874…
Advisory Apple Advisory

Root Cause Analysis

A use-after-free issue was addressed with improved memory management.

Files Changed

Source Files

  • Source/JavaScriptCore/wasm/WasmFunctionParser.h