Detections
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Echo: busybox: security update to 1:1.38.0-1

high Tenable Self-Hosted Container Security Plugin ID 465671

Description

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

 - BusyBox before commit 42202bf contains a heap buffer overflow vulnerability in the DHCPv6 client (udhcpc6)
 DNS_SERVERS option handler in networking/udhcp/d6_dhcpc.c that allows network-adjacent attackers to
 trigger memory corruption by sending a crafted DHCPv6 response with a malformed D6_OPT_DNS_SERVERS option.
 Attackers can exploit incorrect heap buffer allocation calculations in the option_to_env() function to
 cause denial of service or achieve arbitrary code execution on embedded systems without heap hardening.
 (CVE-2026-29004)

Solution

Update the busybox library and its related packages to version 1:1.38.0-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-29004

Plugin Details

Severity: High

ID: 465671

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.11

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-29004

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS v4

Risk Factor: High

Base Score: 7.2

Threat Score: 5.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/1/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-29004