Detections
Analytics

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

medium Tenable Cloud Security Plugin ID 476455

Description

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

 - The htmlCurrentChar function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before
 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service
 (heap-based buffer over-read) via a crafted XML document. (CVE-2016-1833)

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-2016:1292

https://advisory.echohq.com/cve/CVE-2016-1833

Plugin Details

Severity: Medium

ID: 476455

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: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2016-1833

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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: 5/9/2016

Reference Information

CVE: CVE-2016-1833