CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.
CVE
CVE-2026-39834
Severity
CRITICAL
CVSS
9.1
EPSS
0.53%
Original NVD Description
When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload size calculation caused the write loop to spin indefinitely, sending empty packets without making progress. The size comparison now uses int64 to prevent truncation.
Related CVEs
Other vulnerabilities affecting the same vendor(s)