Echo: libxml2: security update to 2.12.7+dfsg+really2.9.14-2.1+deb13u1libxml2-2.11.7: security update to 2.11.7+e1libxml2-2.9.1: security update to 2.9.1+e1

critical Tenable Self-Hosted Container Security Plugin ID 461569

Description

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

- A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can
trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that
can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to
sensitive data being corrupted in memory. (CVE-2025-49796)

Solution

Update the libxml2-2.11.7 library and its related packages to version 2.11.7+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-49796

Plugin Details

Severity: Critical

ID: 461569

Version: Revision 1.4

Type: Local

Published: 10/2/2026

Updated: 10/22/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.81

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-2025-49796

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-2025-49796