Detections
Analytics

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

high Tenable Self-Hosted Container Security Plugin ID 465232

Description

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

 - A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations
 can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of
 service when processing crafted input. (CVE-2025-6021)

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-2025-6021

Plugin Details

Severity: High

ID: 465232

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: 5.8

Percentile: 96.66

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

CVSS Score Source: CVE-2025-6021

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 9/15/2025

Reference Information

CVE: CVE-2025-6021