CVE-2021-3803

Publication date 17 September 2021

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

nth-check is vulnerable to Inefficient Regular Expression Complexity

Status

Show unmaintained releases

Package	Ubuntu Release	Status
node-nth-check	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 1.0.1-1+deb10u1build0.20.04.1
	18.04 LTS bionic	Fixed 1.0.1-1+deb10u1build0.18.04.1
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6114-1
nth-check vulnerability
30 May 2023

Other references

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