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

critical Tenable Self-Hosted Container Security Plugin ID 476451

Description

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

- The xmlSAX2TextNode function in SAX2.c in the push interface in the HTML parser in libxml2 before 2.9.3
allows context-dependent attackers to cause a denial of service (stack-based buffer over-read and
application crash) or obtain sensitive information via crafted XML data. (CVE-2015-8242)

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-2015-8242

Plugin Details

Severity: Critical

ID: 476451

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2015-8242

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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: 11/20/2015

Reference Information

CVE: CVE-2015-8242