CVE-2023-30798

MultipartParser DOS with too many fields or files in Starlette Framework

En bref

Sévérité: HIGH 7.5
EPSS: EPSS 1.30 % · centile 70 (2026-10-27)
État: PUBLISHED
Publiée: 2023-04-21
Mise à jour: 2026-07-15
Attribuée par: VulnCheck
Statut NVD: Modified

Description

There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	VulnCheck
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

CWE-400

Avis

GHSA-74m5-2c7w-9w3x — MultipartParser denial of service with too many fields or files
PYSEC-2023-48 — There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of

Références européennes

ENISA EUVD · EUVD-2023-0244
GCVE · GCVE-0-2023-30798

Configurations affectées (CPE NVD)

cpe:2.3:a:encode:starlette:*:*:*:*:*:python:*:* < 0.25.0

Produits affectés

Produit	Versions
Encode · Starlette	affected 0 < 0.25.0

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD