Detections
Analytics

Alpine: multiple libssh2 packages: security update to 1.9.0-r0

high Tenable Self-Hosted Container Security Plugin ID 424066

Description

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

 - In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an
 integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A
 remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a
 denial of service condition on the client system when a user connects to the server. This is related to an
 _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as
 CVE-2019-3855. (CVE-2019-13115)

See Also

https://security.alpinelinux.org/vuln/CVE-2019-13115

Plugin Details

Severity: High

ID: 424066

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.06

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

CVSS Score Source: CVE-2019-13115

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 7/16/2019

Reference Information

CVE: CVE-2019-13115