Detections
Analytics

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

high Tenable Self-Hosted Container Security Plugin ID 476468

Description

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

 - The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary
 entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial
 of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than
 CVE-2015-7941. (CVE-2015-7942)

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-2015-7942

Plugin Details

Severity: High

ID: 476468

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2015-7942

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/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: 10/22/2015

Reference Information

CVE: CVE-2015-7942