Echo: libssh: security update to 0.12.0-3+e2

medium Tenable Self-Hosted Container Security Plugin ID 463813

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-59845)

Solution

Update the libssh library and its related packages to version 0.12.0-3+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-59845

Plugin Details

Severity: Medium

ID: 463813

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.06

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-59845

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/21/2026

Vulnerability Publication Date: 7/21/2026

Reference Information

CVE: CVE-2026-59845

IAVA: 2026-A-0788