CVE-2025-31204

Overview

Advisory: Apple Security Advisory

Impact:

Description: Processing maliciously crafted web content may lead to memory corruption

Researchers: Nan Wang(@eternalsakura13)

Attribute	Value
CVE	CVE-2025-31204
Bugzilla	291506
Component	JSC
Bug Class	LogicError
Severity	medium
Commit	265dbd5abf60768a…
Advisory	Apple Advisory

Root Cause Analysis

The issue was addressed with improved memory handling.

Files Changed

Source Files

• Source/JavaScriptCore/wasm/WasmBBQJIT64.cpp

Test Files

• JSTests/wasm/stress/array-get-large-i64-index.js