OESA-2026-1018 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...

CVE-2025-67726

Tornado (Python) vulnerability CVE-2025-67726 affects versions 6.5.2 and earlier, due to an inefficient _parseparam-based parsing of HTTP header parameters (e.g., Content-Disposition). The implementation repeatedly calls string.count() inside a nested loop while handling quoted semicolons, causin...