Detections
Analytics

Echo: libxml2-2.9.1: security update to 2.9.1+e1

medium Tenable Cloud Security Plugin ID 476507

Description

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

 - libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag
 directly indicating that the current document may be read but other files may not be opened, which makes
 it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.
 (CVE-2016-9318)

Solution

Update the libxml2-2.9.1 library and its related packages to version 2.9.1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2016-9318

Plugin Details

Severity: Medium

ID: 476507

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.15

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2016-9318

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 11/15/2016

Reference Information

CVE: CVE-2016-9318