python-werkzeug: high resource usage when parsing multipart form data with many fields

A flaw was found in python-werkzeug. Werkzeug is multipart form data parser, that will parse an unlimited number of parts, including file parts. These parts can be a small amount of bytes, but each requires CPU time to parse, and may use more memory as Python data. If a request can be made to an...

Security update for python-tornado6

This update for python-tornado6 fixes the following issues: CVE-2024-52804: Fixed excessive CPU consumption by the algorithm used for parsing HTTP cookies bsc1233668 CVE-2025-47287: Fixed denial-of-service via generation of an extremely high volume of logs due to multipart/form-data parser...

SUSE-SU-2025:20430-1 Security update for python-tornado6

This update for python-tornado6 fixes the following issues: - CVE-2025-47287: Fixed denial of service via generation of an extremely high volume of logs due to multipart/form-data parser bsc1243268...

Tracker Installations Are Not Created Equal: Understanding Tracker Configuration of Form Data Collection

Targeted advertising is fueled by the comprehensive tracking of users' online activity. As a result, advertising companies, such as Google and Meta, encourage website administrators to not only install tracking scripts on their websites but configure them to automatically collect users' Personall...

USN-7567-1 modsecurity-apache vulnerabilities

Simon Studer discovered that ModSecurity incorrectly handled certain JSON objects. An attacker could possibly use this issue to cause a denial of service. CVE-2025-47947 It was discovered that ModSecurity incorrectly handled requests when parsing certain form data. An attacker could possibly use...

USN-7567-1: ModSecurity vulnerabilities

Simon Studer discovered that ModSecurity incorrectly handled certain JSON objects. An attacker could possibly use this issue to cause a denial of service. CVE-2025-47947 It was discovered that ModSecurity incorrectly handled requests when parsing certain form data. An attacker could possibly use...

CVE-2025-48879

OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken...

Medium: python-tornado

Issue Overview: Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume ...

Medium: python3-tornado

Issue Overview: Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume ...

Amazon Linux 2 : python3-tornado (ALAS-2025-2889)

The version of python3-tornado installed on the remote host is prior to 5.0.2-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2889 advisory. Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form- data parser encounter...

Denial Of Service (DoS)

octoprint is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of malformed multipart/form-data requests due to an endless loop triggered by a missing end boundary, which causes the single-threaded Tornado web server to become unresponsive...

CVE-2025-48879

OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken...

CVE-2025-48879 OctoPrint Vulnerable to Denial of Service through malformed HTTP request

OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken...

Medium: python-tornado

Issue Overview: Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume ...

Medium: python-tornado

Issue Overview: Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume ...

tornado: Tornado Multipart Form-Data Denial of Service

A flaw was found in Tornado. This vulnerability can lead to a a denial of service by generating an extremely high volume of log entries...

OESA-2025-1614 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. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the...

OESA-2025-1615 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. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the...

Security update for python-tornado

This update for python-tornado fixes the following issues: CVE-2025-47287: excessive logging when parsing malformed multipart/form-data can lead to a denial-of-service bsc1243268. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate ...

USN-7547-1 python-tornado vulnerability

It was discovered that Tornado inefficiently handled requests when parsing certain form data. An attacker could possibly use this issue to increase resource utilization leading to a denial of service. This issue was only addressed in Ubuntu 24.04 LTS and Ubuntu 22.04 LTS. CVE-2025-47287...