Echo: busybox: security update to 1:1.38.0-3busybox-1.38: security update to 1.38.0+e2

high Tenable Self-Hosted Container Security Plugin ID 463094

Description

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

- A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a
Denial of Service (DoS) via supplying a crafted input. (CVE-2026-38755)

Solution

Update the busybox-1.38 library and its related packages to version 1.38.0+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-38755

Plugin Details

Severity: High

ID: 463094

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.76

CVSS v2

Risk Factor: Low

Base Score: 1.2

Temporal Score: 0.9

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

CVSS Score Source: CVE-2026-38755

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: 7/20/2026

Vulnerability Publication Date: 7/15/2026

Reference Information

CVE: CVE-2026-38755