Executive Summary

Title Ruby: Multiple vulnerabilities
Name GLSA-202003-06 First vendor Publication 2020-03-13
Vendor Gentoo Last vendor Modification 2020-03-13
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores



Multiple vulnerabilities have been found in Ruby, the worst of which could lead to the remote execution of arbitrary code.


Ruby is an interpreted object-oriented programming language. The elaborate standard library includes an HTTP server ("WEBRick") and a class for XML parsing ("REXML").


Multiple vulnerabilities have been discovered in Ruby. Please review the CVE identifiers referenced below for details.


A remote attacker could execute arbitrary code, have unauthorized access by bypassing intended path matching or cause a Denial of Service condition.


There is no known workaround at this time.


All Ruby 2.4.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.4.9:2.4"

All Ruby 2.5.x users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.5.7:2.5"


[ 1 ] CVE-2019-15845 : https://nvd.nist.gov/vuln/detail/CVE-2019-15845
[ 2 ] CVE-2019-16201 : https://nvd.nist.gov/vuln/detail/CVE-2019-16201
[ 3 ] CVE-2019-16254 : https://nvd.nist.gov/vuln/detail/CVE-2019-16254
[ 4 ] CVE-2019-16255 : https://nvd.nist.gov/vuln/detail/CVE-2019-16255


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:


Original Source

Url : http://security.gentoo.org/glsa/glsa-202003-06.xml

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-287 Improper Authentication
33 % CWE-94 Failure to Control Generation of Code ('Code Injection')
33 % CWE-74 Failure to Sanitize Data into a Different Plane ('Injection')

CPE : Common Platform Enumeration

Application 1050
Os 4
Os 1
Os 1

Alert History

If you want to see full details history, please login or register.
Date Informations
2020-05-23 13:03:43
  • Multiple Updates
2020-03-13 05:18:07
  • First insertion