Echo: libxml2-2.11.7: security update to 2.11.7+e1

critical Tenable Cloud Security Plugin ID 476486

Description

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

- In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3, the SAX parser can produce
events for external entities even if custom SAX handlers try to override entity content (by setting
"checked"). This makes classic XXE attacks possible. (CVE-2024-40896)

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-2024-40896

Plugin Details

Severity: Critical

ID: 476486

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.37

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2024-40896

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 8/24/2024

Reference Information

CVE: CVE-2024-40896