CVE-2026-43798

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Appleswift-nio-ssh0 < 0.14.1affected

Weaknesses

  • 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.

References