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

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

References

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