Echo: libxml2: security update to 2.12.7+dfsg+really2.9.14-2.1+deb13u1

critical Tenable Self-Hosted Container Security Plugin ID 458601

Description

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

- A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under
certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw
allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the
program's crash using libxml or other possible undefined behaviors. (CVE-2025-49794)

Solution

Update the libxml2 library and its related packages to version 2.12.7+dfsg+really2.9.14-2.1+deb13u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-49794

Plugin Details

Severity: Critical

ID: 458601

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: Medium

Score: 4.3

Percentile: 53.59

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2025-49794

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 9/15/2025

Reference Information

CVE: CVE-2025-49794