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CVE-2026-42561

7.5 Élevée

Publiée le 13/05/2026 à 23:16 · Modifiée le 07/08/2026 à 14:17 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.27, python-multipart has a denial of service vulnerability in multipart part header parsing. When parsing multipart/form-data, MultipartParser previously had no limit on the number of part headers or the size of an individual part header. An attacker could send a request with either many repeated headers without terminating the header block or a single very large header value, causing excessive CPU work before request rejection or completion. This vulnerability is fixed in 0.0.27.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 7.5 Élevée security-advisories@github.com CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1 7.5 Élevée 0b0ca135-0b70-47e7-9f44-1890c2a1c46c CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Faiblesses (CWE)

Références

Ailleurs