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CVE-2025-43376 is a logic flaw in Apple platform networking or privacy handling that can cause DNS queries to leak even when iCloud Private Relay is enabled. Apple states the issue was addressed through improved state management, indicating an error in how the system maintained or enforced the privacy state associated with Private Relay-protected name resolution. The vulnerability affects Safari 26; iOS 18.7.7 and iPadOS 18.7.7; iOS 26 and iPadOS 26; macOS Tahoe 26; tvOS 26; visionOS 26; and watchOS 26. Successful exploitation allows a remote attacker to observe DNS queries that should have remained protected by Private Relay.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A logic issue that may allow a remote attacker to view leaked DNS queries even with Private Relay enabled.
A Private Relay logic/state issue that could leak DNS queries to a remote attacker even when Private Relay is enabled.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.