CVE-2025-30427

Overview

Advisory: Apple Security Advisory

Impact:

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

Researchers: rheza (@ginggilBesel)

Attribute	Value
CVE	CVE-2025-30427
Bugzilla	285643
Component	JSC
Bug Class	UAF
Severity	medium
Commit	d7bd7d8f7cdf153d…
Advisory	Apple Advisory

Root Cause Analysis

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

Files Changed

Source Files

• Source/JavaScriptCore/bytecode/Repatch.cpp

Test Files

• JSTests/stress/static-private-fields-dont-need-property-conditions.js