PULSE
LIVE21signals / 24h
ES
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CVE WatchJul 21, 2026

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork() failure can be stored as process ID -1; during cleanup, signals m

CVSS

5.3

Medium

EPSS

—

KEV

—

Exploit Today

0

0-100

Published: Jul 21, 2026 · Last modified: Jul 21, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references
Related CVEs

No related CVEs by CWE or product.