CVE-2023-40385

MEDIUM

Safari < 17.0 - DNS Query Leak via Private Relay

Title source: llm
STIX 2.1

Description

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14, Safari 17, iOS 17 and iPadOS 17. A remote attacker may be able to view leaked DNS queries with Private Relay turned on.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213938
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213940
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213941

Scores

CVSS v3 6.5
EPSS 0.0021
EPSS Percentile 43.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-200
Status published
Products (4)
apple/ipados < 17.0
apple/iphone_os < 17.0
apple/macos < 14.0
apple/safari < 17.0
Published Jan 10, 2024
Tracked Since Feb 18, 2026