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CVE-2021-41817

Published: 1 January 2022

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
ruby2.3
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
upstream Needs triage

xenial
Released (2.3.1-2~ubuntu16.04.16+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
ruby2.5
Launchpad, Ubuntu, Debian
bionic
Released (2.5.1-1ubuntu1.11)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
ruby2.7
Launchpad, Ubuntu, Debian
focal
Released (2.7.0-5ubuntu1.6)
hirsute
Released (2.7.2-4ubuntu1.3)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
impish
Released (2.7.4-1ubuntu3.1)
ruby3.0
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
jammy
Released (3.0.2-7ubuntu2)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H