CVE-2023-22467 (GCVE-0-2023-22467)
Vulnerability from cvelistv5 – Published: 2023-01-04 21:52 – Updated: 2025-02-13 16:43
VLAI
EPSS
VEX
Title
luxon.js inefficient regular expression complexity vulnerability
Summary
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.
Severity
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/moment/luxon/security/advisori… | x_refsource_CONFIRM |
| https://github.com/moment/moment/security/advisor… | x_refsource_MISC |
| https://github.com/moment/moment/pull/6015#issuec… | x_refsource_MISC |
| https://github.com/moment/luxon/commit/5ab3bf64a1… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
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"id": "CVE-2023-22467",
"lastModified": "2024-11-21T07:44:51.810",
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-03-02T16:42:16+00:00",
"cve": "CVE-2023-22467",
"id": "CVE-2023-22467",
"initial_release_date": "2023-01-04T00:00:00+00:00",
"product_status:known_affected": "3",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "luxon: Inefficient regular expression complexity in luxon.js",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-22467.json",
"version": "3"
}
}
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
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vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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