CVE-2025-43429

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: Google Big Sleep

Attribute Value
CVE CVE-2025-43429
Bugzilla 298232
Component JSC
Bug Class IntegerOverflow
Severity medium
Commit 7a45348e0e20683e…
Advisory Apple Advisory

Root Cause Analysis

A buffer overflow was addressed with improved bounds checking.

Files Changed

Source Files

  • Source/JavaScriptCore/runtime/StringPrototype.cpp
  • Source/WTF/wtf/unicode/icu/ICUHelpers.h