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CVE-2025-66221

Опубликовано: 29 нояб. 2025
Источник: redhat
CVSS3: 5.3

Описание

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.

A flaw was found in Werkzeug. This vulnerability allows a denial of service via path segments with Windows device names.

Отчет

This vulnerability is not applicable to Red Hat products as it specifically affects applications running on Microsoft Windows operating systems. The flaw in Werkzeug's safe_join function, which allows denial of service via Windows device names in path segments, does not manifest in Linux environments.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Quay 3quay/quay-rhel8Not affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-67
https://bugzilla.redhat.com/show_bug.cgi?id=2417789Werkzeug: Werkzeug: Denial of service via Windows device names in path segments

5.3 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.3
ubuntu
4 месяца назад

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.

CVSS3: 5.3
nvd
4 месяца назад

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.

msrc
4 месяца назад

Werkzeug safe_join() allows Windows special device names

CVSS3: 5.3
debian
4 месяца назад

Werkzeug is a comprehensive WSGI web application library. Prior to ver ...

github
4 месяца назад

Werkzeug safe_join() allows Windows special device names

5.3 Medium

CVSS3