CVE-2021-23490

Regular Expression Denial of Service (ReDoS)

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Published Dec 24, 2021 CVSS 3.1 · 7.5 High EPSS 1.9% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

parse-link-header

affected

Version	Status	Constraints
`unspecified`	affected	< 2.0.0

Configuration 1 [-]

cpe:2.3:a:parse-link-header_project:parse-link-header:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-0673	The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.
Github GHSA	GHSA-q674-xm3x-2926	Uncontrolled Resource Consumption in parse-link-header

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.9% (1.891% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973
https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783

History

No history.

Subscriptions

Parse-link-header Project Parse-link-header

Weaknesses

CWE-1333

Sources

CVE record Updated: Sep 16, 2024, 10:03 PM

Status: PUBLISHED
Assigner: snyk
Published: Dec 24, 2021, 8:05 PM
Updated: Sep 16, 2024, 10:03 PM
Reserved: Jan 8, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:38 AM

Status: Modified
Published: Dec 24, 2021, 8:15 PM
Modified: Jun 17, 2026, 3:38 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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