Detections
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Alpine: multiple musl packages: security update to 1.2.5-r2

medium Tenable Cloud Security Plugin ID 440283

Description

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

 - A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file
 src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in
 inefficient algorithmic complexity. The attack must be initiated from a local position. To fix this issue,
 it is recommended to deploy a patch. (CVE-2026-6042)

Solution

Update the musl library and its related packages to version 1.2.5-r2 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-6042

Plugin Details

Severity: Medium

ID: 440283

Version: Revision 1.6

Type: Local

Published: 4/11/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.2

Percentile: 51.15

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2026-6042

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.9

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 4/10/2026

Reference Information

CVE: CVE-2026-6042