Critical severity9.8NVD Advisory· Published Aug 20, 2026· Updated Sep 3, 2026
CVE-2026-43798
CVE-2026-43798
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: >=0.14.1
Patches
Vulnerability mechanics
References
1- github.com/apple/swift-nio-ssh/security/advisories/GHSA-998x-vgvp-xwpcnvdVendor AdvisoryPatch
News mentions
1- Apple Patches Six Vulnerabilities in macOS, watchOS, and Container TechVypr Intelligence · Aug 21, 2026