Detections
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Alpine: libxml2: security update to 2.13.4-r4

critical Tenable Cloud Security Plugin ID 421056

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and
 xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated
 against an XML schema with certain identity constraints, or a crafted XML schema must be used.
 (CVE-2024-56171)

 - libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements
 in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE:
 this is similar to CVE-2017-9047. (CVE-2025-24928)

See Also

https://security.alpinelinux.org/vuln/CVE-2024-56171

https://security.alpinelinux.org/vuln/CVE-2025-24928

Plugin Details

Severity: Critical

ID: 421056

Version: Revision 1.9

Type: Local

Published: 3/7/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.58

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2024-56171

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/11/2025

Reference Information

CVE: CVE-2024-56171, CVE-2025-24928

IAVA: 2025-A-0123