VULNERABILITY INTELLIGENCE

CVE-2026-59845

CVSS score5.3 MEDIUM
EPSS probability0.10%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-390
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-390

Primary references