CVE-2025-43376

Overview

Advisory: Apple Security Advisory

Impact:

Description: A remote attacker may be able to view leaked DNS queries with Private Relay turned on

Researchers: Mike Cardwell of grepular.com, Bob Lord

Attribute Value
CVE CVE-2025-43376
Bugzilla 295943
Component WebCore
Bug Class LogicError
Severity medium
Commit 5247bc4ad4b98d16…
Advisory Apple Advisory

Root Cause Analysis

A logic issue was addressed with improved state management.

Files Changed

Source Files

  • Source/WebCore/PAL/pal/spi/cf/CFNetworkSPI.h
  • Source/WebCore/platform/network/cf/DNSResolveQueueCFNet.cpp