Lucene search
+L

AsyncSSH: asyncio event-loop freeze via SSH maximum packet size = 0 in SSH_MSG_CHANNEL_OPEN / OPEN_CONFIRMATION

🗓️ 17 Sep 2026 14:53:01Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

Summary A malicious SSH server can wedge an AsyncSSH client , and an authenticatedclient can wedge an AsyncSSH server , by sending a channel maximum packet size of 0 in SSH_MSG_CHANNEL_OPEN_CONFIRMATION (server→client) orSSH_MSG_CHANNEL_OPEN (clie...

Related
Detection
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Sep 2026 14:53Current
CVSS 3.16.5
EPSS0.00388
SSVC
5