All errata/c10f2/ALT-PU-2025-16545-1
ALT-PU-2025-16545-1

Package update python3-module-tornado in branch c10f2

Version6.5.1-alt1
Task#390047
Published2025-07-18
Max severityHIGH
Severity:

Closed issues (6)

BDU:2025-00918
HIGH7.5

Уязвимость асинхронной сетевой библиотеки Tornado, связанная с неконтролируемым расходом ресурсов, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-01-31Modified: 2026-01-20
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
BDU:2025-08361
HIGH7.5

Уязвимость компонента multipart/form-data веб-фреймворка и асинхронной сетевой библиотеки Tornado, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2025-07-11Modified: 2026-03-04
CVSS 3.xHIGH 7.5
CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0HIGH 7.8
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C
References
CVE-2024-52804
HIGH7.5

Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests. Version 6.4.2 fixes the issue.

Published: 2024-11-22Modified: 2025-11-03
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
CVE-2025-47287
HIGH7.5

Tornado is a Python web framework and asynchronous networking library. When Tornado's ``multipart/form-data`` parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the logging subsystem is synchronous. All versions of Tornado prior to 6.5.0 are affected. The vulnerable parser is enabled by default. Upgrade to Tornado version 6.50 to receive a patch. As a workaround, risk can be mitigated by blocking `Content-Type: multipart/form-data` in a proxy.

Published: 2025-05-15Modified: 2025-12-23
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
GHSA-7cx3-6m66-7c5m
HIGH7.5

Tornado vulnerable to excessive logging caused by malformed multipart form data

Published: 2025-05-16Modified: 2025-05-29
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
GHSA-8w49-h785-mj3c
HIGH7.5

Tornado has an HTTP cookie parsing DoS vulnerability

Published: 2024-11-22Modified: 2025-11-04
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References