Astra Linux - уязвимость в python-tornado

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, due to the use of the HTTPHeaders.add method. This method accumulates values using string...

Unity Linux 20.1070a Security Update: pcs (UTSA-2026-007275)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007275 advisory. 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...

SUSE-SU-2026:0623-1 Security update for python-tornado

This update for python-tornado fixes the following issues: - CVE-2025-67725: inefficient algorithm when parsing parameters for HTTP header values bsc1254905. - CVE-2025-67726: Denial of Service DoS via maliciously crafted HTTP request caused by the HTTPHeaders.add method bsc1254904...

SUSE-SU-2026:0222-1 Security update for python-tornado

This update for python-tornado fixes the following issues: - CVE-2025-67725: inefficient algorithm when parsing parameters for HTTP header values bsc1254905. - CVE-2025-67726: Denial of Service DoS via maliciously crafted HTTP request caused by the HTTPHeaders.add method bsc1254904...

OESA-2026-1130 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. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended...

CVE-2025-67725

Tornado (Python) vulnerable in versions

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...