Alpine: libxml2: security update to 2.13.9-r1

high Tenable Cloud Security Plugin ID 442557

Description

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

- A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML
Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could
exploit this by providing a malicious document, leading to a type confusion error that causes the
application to crash. This results in a denial of service (DoS), making the affected system or application
unavailable. (CVE-2026-6732)

Solution

Update the libxml2 library and its related packages to version 2.13.9-r1 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-6732

Plugin Details

Severity: High

ID: 442557

Version: Revision 1.1

Type: Local

Published: 6/2/2026

Updated: 6/2/2026

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-6732

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-6732