Detections
Analytics

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

high Tenable Cloud Security Plugin ID 476441

Description

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

 - A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2
 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case.
 Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable
 to a denial of service attack due to a crash of the application. (CVE-2018-14404)

Solution

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

See Also

https://access.redhat.com/errata/RHSA-2019:1543

https://advisory.echohq.com/cve/CVE-2018-14404

Plugin Details

Severity: High

ID: 476441

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-14404

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 7/19/2018

Reference Information

CVE: CVE-2018-14404