Echo: xerces-c-2.6.0: security update to 2.6.0+e1

high Tenable Cloud Security Plugin ID 476435

Description

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

- Stack-based buffer overflow in Apache Xerces-C++ before 3.1.4 allows context-dependent attackers to cause
a denial of service via a deeply nested DTD. (CVE-2016-4463)

Solution

Update the xerces-c-2.6.0 library and its related packages to version 2.6.0+e1 or later.

See Also

https://access.redhat.com/errata/RHSA-2018:3335

https://access.redhat.com/errata/RHSA-2018:3506

https://access.redhat.com/errata/RHSA-2018:3514

https://advisory.echohq.com/cve/CVE-2016-4463

Plugin Details

Severity: High

ID: 476435

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: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2016-4463

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: 6/29/2016

Reference Information

CVE: CVE-2016-4463