CVE-2026-43798 is a vulnerability in Apple iOS
Published on August 20, 2026
A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1.
Products Associated with CVE-2026-43798
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Affected Versions
Apple swift-nio-ssh:- Before 0.14.1 is affected.