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

critical Tenable Self-Hosted Container Security Plugin ID 476480

Description

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

 - The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent
 entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption)
 via crafted XML data, a different vulnerability than CVE-2014-3660. (CVE-2015-5312)

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-2015-5312

Plugin Details

Severity: Critical

ID: 476480

Version: Revision 1.1

Type: Local

Published: 10/21/2026

Updated: 10/21/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.78

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2015-5312

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-2015-5312