Detections
Analytics

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

high Tenable Self-Hosted Container Security Plugin ID 476471

Description

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

 - libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString
 function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This
 vulnerability exists because of an incomplete fix for CVE-2016-1839. (CVE-2017-9050)

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-2017-9050

Plugin Details

Severity: High

ID: 476471

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2017-9050

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 5/18/2017

Reference Information

CVE: CVE-2017-9050