Security Advisory
CVE-2026-59845
5.3
MEDIUM
Vulnerability Description
A flaw was found in libssh. When ProxyCommand is used, an unchecked fork() failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service.
Published Date
July 21, 2026
Official Source
NIST NVD Advisory