Detections
Analytics

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

high Tenable Self-Hosted Container Security Plugin ID 476473

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
 xmlDictComputeFastKey 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 libxml2 Bug 759398.
 (CVE-2017-9049)

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-2017-9049

Plugin Details

Severity: High

ID: 476473

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-2017-9049

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-2017-9049