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CVE-2021-23490

Good to know:

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Date: December 24, 2021

The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.

Language: JS

Severity Score

Related Resources (4)

https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1
https://nvd.nist.gov/vuln/detail/CVE-2021-23490
https://github.com/thlorenz/parse-link-header
https://www.mend.io/vulnerability-database/CVE-2021-23490

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Inefficient Regular Expression Complexity

CWE-1333

Top Fix

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Upgrade to version parse-link-header - 2.0.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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