CVE-2026-42189
russh has pre-auth DoS via unbounded allocation in its keyboard-interactive auth handler
7.5
HIGH
CVSS 3.1
EPSS 0.48%
描述
Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth (e.g., for 2FA/TOTP) with a single malformed packet, requiring no credentials. This issue has been patched in version 0.60.1.
如何修補 CVE-2026-42189
要修補 CVE-2026-42189,請將受影響套件升級到下列已修補版本。
- —未列出修補版本
- —升級至 0.60.1 或更新版本
CVE-2026-42189 正在被利用嗎?
低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0
- from 0, < 0.60.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |