Detections
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Echo: libssh: security update to 0.12.0-1

medium Tenable Self-Hosted Container Security Plugin ID 462631

Description

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

 - A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts
 files, could craft specific hostnames that when processed by the `match_pattern()` function can lead to
 inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in
 a Denial of Service (DoS) for the client. (CVE-2026-0967)

Solution

Update the libssh library and its related packages to version 0.12.0-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-0967

Plugin Details

Severity: Medium

ID: 462631

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.9

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-0967

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/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: 5/19/2026

Vulnerability Publication Date: 2/19/2026

Reference Information

CVE: CVE-2026-0967

IAVA: 2026-A-0166-S