python3-tornado: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti...
CVE-2026-49855 is fixed in 10 products on 1 platform, first by OPENSUSE-SU-2026:21067-1, released June 26, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-tornado · RHEL 10 | 6.5.8-0.el10_0.1 | RHSA-2026:80741 | Sep 14, 2026 |
| python-tornado · rocky 10 | 0:6.5.8-0.el10_2.1 | RLSA-2026:67147 | Sep 15, 2026 |
| python-tornado · rocky 9 | 0:6.5.8-0.el9_8.1 | RLSA-2026:67146 | Sep 15, 2026 |
| python-tornado · sles 15.6 | 4.5.3-150000.3.22.1 | SUSE-SU-2026:2726-1 | Jul 2, 2026 |
| python-tornado · sles 15.7 | 4.5.3-150000.3.22.1 | SUSE-SU-2026:2726-1 | Jul 2, 2026 |
| python-tornado-debugsource · amzn 2023 | 6.1.0-2.amzn2023.0.9 | ALAS2023-2026-2016 | Aug 3, 2026 |
| python-tornado-doc · amzn 2023 | 6.1.0-2.amzn2023.0.9 | ALAS2023-2026-2016 | Aug 3, 2026 |
| python-tornado6 · opensuse-leap 16.0 | 6.5-160000.5.1 | OPENSUSE-SU-2026:21067-1 | Jun 26, 2026 |
| python-tornado6 · sles 15.6 | 6.3.2-150400.9.18.1 | SUSE-SU-2026:2725-1 | Jul 2, 2026 |
| python-tornado6 · sles 15.7 | 6.3.2-150400.9.18.1 | SUSE-SU-2026:2725-1 | Jul 2, 2026 |
| python-tornado6 · sles 16.0 | 6.5-160000.5.1 | SUSE-SU-2026:22373-1 | Jun 26, 2026 |
| python3-tornado · RHEL 9 | 0:6.5.8-0.el9_8.1 | RHSA-2026:67146 | Sep 19, 2026 |
| python3-tornado · almalinux 10 | 6.5.8-0.el10_2.1 | ALSA-2026:67147 | Sep 14, 2026 |
| python3-tornado · almalinux 9 | 6.5.8-0.el9_8.1 | ALSA-2026:67146 | Sep 14, 2026 |
| python3-tornado · amzn 2023 | 6.1.0-2.amzn2023.0.9 | ALAS2023-2026-2016 | Aug 3, 2026 |
| python3-tornado · ol 10 | 0:6.5.8-0.el10_2.1 | ELSA-2026-67147-0 | Sep 14, 2026 |
| python3-tornado · ol 9 | 0:6.5.8-0.el9_8.1 | ELSA-2026-67146-0 | Sep 14, 2026 |
| python3-tornado-debuginfo · amzn 2023 | 6.1.0-2.amzn2023.0.9 | ALAS2023-2026-2016 | Aug 3, 2026 |
| python3.13-tornado · amzn 2023 | 6.4.2-1.amzn2023.0.4 | ALAS2023-2026-2015 | Aug 3, 2026 |
| python3.13-tornado-debuginfo · amzn 2023 | 6.4.2-1.amzn2023.0.4 | ALAS2023-2026-2015 | Aug 3, 2026 |
| python3.13-tornado-debugsource · amzn 2023 | 6.4.2-1.amzn2023.0.4 | ALAS2023-2026-2015 | Aug 3, 2026 |
| python3.13-tornado-doc · amzn 2023 | 6.4.2-1.amzn2023.0.4 | ALAS2023-2026-2015 | Aug 3, 2026 |
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