CVE-2026-59845 – Libssh: libssh: denial of service via unchecked proxycommand fork() failure

CVE ID :CVE-2026-59845

Published : July 21, 2026, 11:26 a.m. | 18 minutes ago

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.

Severity: 5.3 | MEDIUM

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