CVE-2025-67725 Tornado is Vulnerable to Quadratic DoS via Repeated Header Coalescing

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

CVE-2025-67725

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

CVE-2025-67725

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

CVE-2025-67725 Tornado is Vulnerable to Quadratic DoS via Repeated Header Coalescing

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

CVE-2025-67724 Tornado vulnerable to Header Injection and XSS via reason argument

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

CVE-2025-67724

Summary (CVE-2025-67724 family: Tornado 6.5.x) Tornado, a Python web framework/networking library, is affected in versions 6.5.2 and earlier. The issue fixes unescaped reason phrases in HTTP headers (header injection risk) and in the default HTML error page (potential XSS) when data is passed to ...

CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

CVE-2025-67724

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

CVE-2025-67724 Tornado vulnerable to Header Injection and XSS via reason argument

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers where it could be used for header injection or in HTML in the default error page where it could be used for XSS and can be exploited by...

Tornado 安全漏洞

Tornado is a Python web framework and asynchronous networking library from the Chinese Tornado Technology Tornado community. The library scales to thousands of open connections through the use of non-blocking network I/O, making it well suited for long-time polling, WebSockets, and other...

PT-2025-50883

Name of the Vulnerable Software and Affected Versions Tornado versions 6.5.2 and below Description Tornado, a Python web framework and asynchronous networking library, has an issue where the reason phrase supplied to functions like RequestHandler.set status and tornado.web.HTTPError is used witho...

Linux Distros Unpatched Vulnerability : CVE-2025-67724

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied reason phrase is used unescaped in HTTP headers...

Linux Distros Unpatched Vulnerability : CVE-2025-67726

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tornado is a Python web framework and asynchronous networking library. Versions 6.5.2 and below use an inefficient algorithm when parsing parameters for HTTP...

Tornado 安全漏洞

Tornado is a Python web framework and asynchronous networking library from the Chinese Tornado Technology Tornado community. The library scales to thousands of open connections through the use of non-blocking network I/O, making it well suited for long-time polling, WebSockets, and other...

Linux Distros Unpatched Vulnerability : CVE-2025-67725

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the...

Tornado 资源管理错误漏洞

Tornado is a Python web framework and asynchronous networking library from the Chinese Tornado Technology Tornado community. The library scales to thousands of open connections through the use of non-blocking network I/O, making it well suited for long time polling, WebSocket and other applicatio...

PT-2025-50884

Name of the Vulnerable Software and Affected Versions Tornado versions 6.5.2 and below Description Tornado, a Python web framework and asynchronous networking library, is susceptible to a Denial of Service DoS condition. A single, specially crafted HTTP request can halt the server’s event loop fo...

PT-2025-50888

Name of the Vulnerable Software and Affected Versions Tornado versions 6.5.2 and below Description Tornado, a Python web framework and asynchronous networking library, is susceptible to a denial-of-service DoS condition. The parseparam function within the httputil.py file utilizes an inefficient...

TencentOS Server 4: python-tornado (TSSA-2025:0382)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0382 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

Mageia: Security Advisory (MGASA-2025-0282)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...