Issued at: 2026-09-15
Updated at: 2026-09-16
Advisory content derived from Red Hat RHSA-2026:67146, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: python-tornado security update
Description
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
* tornado: Tornado: Information disclosure via improper handling of credentials during HTTP redirects (CVE-2026-49853)
* tornado: Tornado: Denial of Service via uncontrolled gzip decompression memory consumption (CVE-2026-49855)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.