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CVE-2025-43359 is a kernel logic vulnerability in Apple operating systems in which a UDP server socket that is intended to be bound only to a local interface may instead become bound to all interfaces. The issue was attributed to improper state management in the kernel networking stack. This can cause the effective network exposure of a service to differ from the application’s intended configuration, violating interface-binding assumptions and potentially exposing a locally scoped UDP service more broadly than expected. Apple addressed the issue through improved state management.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A logic/state-management issue where a UDP socket intended to bind locally may become exposed on all interfaces (potential unintended network exposure).
A Kernel networking vulnerability where a UDP server socket intended for a local interface may become bound to all interfaces.
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.