Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : Tornado vulnerabilities (USN-7950-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7950-1 advisory. It was discovered that Tornado incorrectly handled special characters in HTTP headers. An...

USN-7950-1 python-tornado vulnerabilities

It was discovered that Tornado incorrectly handled special characters in HTTP headers. An attacker could possibly use this issue to execute a cross- site scripting XSS attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04, and Ubuntu 25.10...

USN-7950-1: Tornado vulnerabilities

It was discovered that Tornado incorrectly handled special characters in HTTP headers. An attacker could possibly use this issue to execute a cross- site scripting XSS attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 25.04, and Ubuntu 25.10...

Amazon Linux 2023 : python3-tornado (ALAS2023-2025-1338)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1338 advisory. 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 head...

Important: python-tornado

Issue Overview: 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 ...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python-tornado6 (SUSE-SU-2026:0010-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0010-1 advisory. - CVE-2025-67724: unescaped reason argument used in HTTP headers and in HTML default error pages...

SUSE: Security Advisory (SUSE-SU-2026:0010-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

openSUSE Security Advisory (SUSE-SU-2026:0010-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 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...

Security update for python-tornado6

This update for python-tornado6 fixes the following issues: CVE-2025-67724: unescaped reason argument used in HTTP headers and in HTML default error pages can be used by attackers to launch header injection or XSS attacks bsc1254903. CVE-2025-67725: quadratic complexity of string concatenation...

SUSE-SU-2026:0010-1 Security update for python-tornado6

This update for python-tornado6 fixes the following issues: - CVE-2025-67724: unescaped reason argument used in HTTP headers and in HTML default error pages can be used by attackers to launch header injection or XSS attacks bsc1254903. - CVE-2025-67725: quadratic complexity of string concatenatio...

Important: python3-tornado

Issue Overview: 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 ...

Amazon Linux 2 : python-tornado, --advisory ALAS2-2025-3106 (ALAS-2025-3106)

The version of python-tornado installed on the remote host is prior to 4.2.1-3. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3106 advisory. Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied...

Important: python-tornado

Issue Overview: 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 ...

Amazon Linux 2 : python3-tornado, --advisory ALAS2-2025-3109 (ALAS-2025-3109)

The version of python3-tornado installed on the remote host is prior to 5.0.2-4. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3109 advisory. Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the supplied...

TencentOS Server 4: python-tornado (TSSA-2025:0977)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0977 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

OESA-2025-2881 python-tornado security update

Tornado is an open source version of the scalable, non-blocking web server and tools. Security Fixes: 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 header values, potentially causing a...

SUSE 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...

SUSE CVE-2025-67726

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 header values, potentially causing a DoS. The parseparam function in httputil.py is used to parse specific HTTP header values, such as thos...

OPENSUSE-SU-2026:20000-1 Security update for salt

This update for salt fixes the following issues: Changes in salt: - Add minimumauthversion to enforce security CVE-2025-62349 - Backport security fixes for vendored tornado BDSA-2024-3438 BDSA-2024-3439 BDSA-2024-9026 - Junos module yaml loader fix CVE-2025-62348 - Require Python dependencies onl...

python311-tornado6-6.5.4-1.1 on GA media (moderate)

python311-tornado6-6.5.4-1.1 on GA media Announcement ID: openSUSE-SU-2025:15838-1 Rating: moderate Cross-References: CVE-2025-67724 CVE-2025-67725 CVE-2025-67726 CVSS scores: CVE-2025-67724 SUSE : 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-67724 SUSE : 5.3...