CVE-2025-43376

HIGH

Safari < 26 - DNS Query Leak via Private Relay

Title source: llm
STIX 2.1

Description

A logic issue was addressed with improved state management. This issue is fixed in Safari 26, iOS 18.7.7 and iPadOS 18.7.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.

References (7)

Core 7
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125108
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125113
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125114
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125115
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125116

Scores

CVSS v3 7.5
EPSS 0.0007
EPSS Percentile 20.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Products (12)
Apple/iOS and iPadOS < 18.7.7
Apple/iOS and iPadOS < 26
apple/ipados < 26.0
apple/iphone_os < 26.0
Apple/macOS < 26
Apple/Safari < 26
apple/safari < 26.0
Apple/tvOS < 26
Apple/visionOS < 26
apple/visionos < 26.0
... and 2 more
Published Nov 04, 2025
Tracked Since Feb 18, 2026