This update for python-tornado6 fixes the following issues:
- CVE-2025-67724: Fixed missing validation of the supplied reason phrase (bsc#1254903)
- CVE-2025-67725: Fixed inefficient algorithm when parsing parameters for HTTP header values (bsc#1254905)
- CVE-2025-67726: Fixed Denial of Service (DoS) via maliciously crafted HTTP request caused by the HTTPHeaders.add method (bsc#1254904)