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.
History

Fri, 21 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple swiftnio Ssh
Vendors & Products Apple
Apple swiftnio Ssh

Fri, 21 Aug 2026 01:30:00 +0000

Type Values Removed Values Added
Title Stack Out‑of‑Bounds Write via Crafted SSH Message in Swift‑NIO‑SSH
Weaknesses CWE-119
CWE-122

Thu, 20 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-08-20T21:08:48.199Z

Reserved: 2026-05-01T22:46:27.820Z

Link: CVE-2026-43798

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-20T21:17:06.580

Modified: 2026-08-20T21:17:06.580

Link: CVE-2026-43798

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T13:00:40Z