Detections
Analytics

Echo: ruby3.1: security update to 3.1.6

high Tenable Self-Hosted Container Security Plugin ID 457621

Description

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

 - REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an
 XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does
 not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or
 later include the patch to fix the vulnerability. (CVE-2024-49761)

Solution

Update the ruby3.1 library and its related packages to version 3.1.6 or later.

See Also

https://advisory.echohq.com/cve/CVE-2024-49761

Plugin Details

Severity: High

ID: 457621

Version: Revision 1.3

Type: Local

Published: 10/2/2026

Updated: 10/8/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2024-49761

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 10/28/2024

Reference Information

CVE: CVE-2024-49761