Debian 11 python-tornado Critical DoS Risk Mitigation DLA-4520

CVE-2026-31958 Introduce new limits on the size and complexity of multipart bodies, including a default limit of 100 parts per request to mitigate a possible DoS. It is also possible to disable parsing multipart/form- data entirely if not required GHSA-78cv-mqj4-43f7 (CVE not available yet) Values passed to the domain, path, and samesite arguments of RequestHandler.set_cookie are not completely validated. In particular, semicolons are allowed, which could be used to inject attacker-controlled values for other cookie attributes. For Debian 11 bullseye, this problem has been fixed in version 6.1.0-1+deb11u4. We recommend that you upgrade your python-tornado packages. For the detailed security status of python-tornado please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be

CVE-2026-31958 Introduce new limits on the size and complexity of multipart bodies, including a default limit of 100 parts per request to mitigate a possible DoS. It is also possible to disable parsing multipart/form- data entirely if not required GHSA-78cv-mqj4-43f7 (CVE not available yet) Values passed to the domain, path, and samesite arguments of RequestHandler.set_cookie are not completely validated. In particular, semicolons are allowed, which could be used to inject attacker-controlled values for other cookie attributes. For Debian 11 bullseye, this problem has been fixed in version 6.1.0-1+deb11u4. We recommend that you upgrade your python-tornado packages. For the detailed security status of python-tornado please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be