Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2019-16201 Details

Description

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html CVE
https://hackerone.com/reports/661722 CVEThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html CVE
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html CVE

see all 22 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions
ruby-lang ruby
>= 2.4.0, <= 2.4.7
>= 2.5.0, <= 2.5.6
>= 2.6.0, <= 2.6.4

CPE

  • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
8.0

CPE

  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-16201
NVD Published Date:
Nov 26, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-16201 Details - Not Deferred