Description
Luxon is a library for working with dates and times in JavaScript. On the 1.x branch prior to 1.38.1, the 2.x branch prior to 2.5.2, and the 3.x branch on 3.2.1, Luxon's `DateTime.fromRFC2822() has quadratic (N^2) complexity on some specific inputs. This causes a noticeable slowdown for inputs with lengths above 10k characters. Users providing untrusted data to this method are therefore vulnerable to (Re)DoS attacks. This issue also appears in Moment as CVE-2022-31129. Versions 1.38.1, 2.5.2, and 3.2.1 contain patches for this issue. As a workaround, limit the length of the input.
Published: 2023-01-04
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-0326 Luxon is a library for working with dates and times in JavaScript. On the 1.x branch prior to 1.38.1, the 2.x branch prior to 2.5.2, and the 3.x branch on 3.2.1, Luxon's `DateTime.fromRFC2822() has quadratic (N^2) complexity on some specific inputs. This causes a noticeable slowdown for inputs with lengths above 10k characters. Users providing untrusted data to this method are therefore vulnerable to (Re)DoS attacks. This issue also appears in Moment as CVE-2022-31129. Versions 1.38.1, 2.5.2, and 3.2.1 contain patches for this issue. As a workaround, limit the length of the input.
Github GHSA Github GHSA GHSA-3xq5-wjfh-ppjc Luxon Inefficient Regular Expression Complexity vulnerability
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00462}

epss

{'score': 0.00468}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-02-13T16:43:52.699Z

Reserved: 2022-12-29T03:00:40.880Z

Link: CVE-2023-22467

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-01-04T22:15:09.357

Modified: 2024-11-21T07:44:51.810

Link: CVE-2023-22467

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-01-04T00:00:00Z

Links: CVE-2023-22467 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses