# CVE-2026-82397: python3-tornado: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti...

CVE-2026-82397 is fixed in 12 products on 1 platform, first by SUSE-SU-2026:4073-1, released September 8, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-82397
- Priority: High
- CVSS: 7.5 (important)
- EPSS: 0.0035
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 31, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pcs RHEL 8 | 0:0.10.18-2.el8_10.10 | [RHSA-2026:84798](https://patchblox.com/security/data/fix/linux/rhsa-2026-84798.md) | Oct 20, 2026 |
| Linux | pcs almalinux 8 | 0.10.18-2.el8_10.10.alma.1 | [ALSA-2026:84798](https://patchblox.com/security/data/fix/linux/alsa-2026-84798.md) | Nov 7, 2026 |
| Linux | pcs ol 8 | 0:0.10.18-2.0.1.el8_10.10 | [ELSA-2026-84798](https://patchblox.com/security/data/fix/linux/elsa-2026-84798.md) | Nov 7, 2026 |
| Linux | pcs rocky 8 | 0:0.10.18-2.el8_10.10 | [RLSA-2026:84798](https://patchblox.com/security/data/fix/linux/rlsa-2026-84798.md) | Nov 7, 2026 |
| Linux | pcs-snmp RHEL 8 | 0:0.10.18-2.el8_10.10 | [RHSA-2026:84798](https://patchblox.com/security/data/fix/linux/rhsa-2026-84798.md) | Oct 20, 2026 |
| Linux | pcs-snmp almalinux 8 | 0.10.18-2.el8_10.10.alma.1 | [ALSA-2026:84798](https://patchblox.com/security/data/fix/linux/alsa-2026-84798.md) | Nov 7, 2026 |
| Linux | pcs-snmp ol 8 | 0:0.10.18-2.0.1.el8_10.10 | [ELSA-2026-84798](https://patchblox.com/security/data/fix/linux/elsa-2026-84798.md) | Nov 7, 2026 |
| Linux | python-tornado RHEL 10 | 6.5.8-0.el10_0.1 | [RHSA-2026:80741](https://patchblox.com/security/data/fix/linux/rhsa-2026-80741.md) | Sep 14, 2026 |
| Linux | python-tornado sles 15.6 | 4.5.3-150000.3.28.1 | [SUSE-SU-2026:4073-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4073-1.md) | Sep 8, 2026 |
| Linux | python-tornado sles 15.7 | 4.5.3-150000.3.28.1 | [SUSE-SU-2026:4073-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4073-1.md) | Sep 8, 2026 |
| Linux | python-tornado-debugsource amzn 2023 | 6.1.0-2.amzn2023.0.10 | [ALAS2023-2026-3093](https://patchblox.com/security/data/fix/linux/alas2023-2026-3093.md) | Sep 28, 2026 |
| Linux | python-tornado-doc amzn 2023 | 6.1.0-2.amzn2023.0.10 | [ALAS2023-2026-3093](https://patchblox.com/security/data/fix/linux/alas2023-2026-3093.md) | Sep 28, 2026 |
| Linux | python-tornado6 opensuse-leap 16.0 | 6.5-160000.7.1 | [OPENSUSE-SU-2026:22059-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22059-1.md) | Nov 7, 2026 |
| Linux | python-tornado6 sles 15.6 | 6.3.2-150400.9.24.1 | [SUSE-SU-2026:4076-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4076-1.md) | Sep 8, 2026 |
| Linux | python-tornado6 sles 15.7 | 6.3.2-150400.9.24.1 | [SUSE-SU-2026:4076-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4076-1.md) | Sep 8, 2026 |
| Linux | python-tornado6 sles 16.0 | 6.5-160000.7.1 | [SUSE-SU-2026:24207-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24207-1.md) | Nov 7, 2026 |
| Linux | python3-tornado RHEL 9 | 0:6.5.8-0.el9_8.1 | [RHSA-2026:67146](https://patchblox.com/security/data/fix/linux/rhsa-2026-67146.md) | Sep 19, 2026 |
| Linux | python3-tornado almalinux 10 | 6.5.8-0.el10_2.1 | [ALSA-2026:67147](https://patchblox.com/security/data/fix/linux/alsa-2026-67147.md) | Sep 14, 2026 |
| Linux | python3-tornado almalinux 9 | 6.5.8-0.el9_8.1 | [ALSA-2026:67146](https://patchblox.com/security/data/fix/linux/alsa-2026-67146.md) | Sep 14, 2026 |
| Linux | python3-tornado amzn 2023 | 6.1.0-2.amzn2023.0.10 | [ALAS2023-2026-3093](https://patchblox.com/security/data/fix/linux/alas2023-2026-3093.md) | Sep 28, 2026 |
| Linux | python3-tornado-debuginfo amzn 2023 | 6.1.0-2.amzn2023.0.10 | [ALAS2023-2026-3093](https://patchblox.com/security/data/fix/linux/alas2023-2026-3093.md) | Sep 28, 2026 |
| Linux | python3.13-tornado amzn 2023 | 6.4.2-1.amzn2023.0.5 | [ALAS2023-2026-3092](https://patchblox.com/security/data/fix/linux/alas2023-2026-3092.md) | Sep 28, 2026 |
| Linux | python3.13-tornado-debuginfo amzn 2023 | 6.4.2-1.amzn2023.0.5 | [ALAS2023-2026-3092](https://patchblox.com/security/data/fix/linux/alas2023-2026-3092.md) | Sep 28, 2026 |
| Linux | python3.13-tornado-debugsource amzn 2023 | 6.4.2-1.amzn2023.0.5 | [ALAS2023-2026-3092](https://patchblox.com/security/data/fix/linux/alas2023-2026-3092.md) | Sep 28, 2026 |
| Linux | python3.13-tornado-doc amzn 2023 | 6.4.2-1.amzn2023.0.5 | [ALAS2023-2026-3092](https://patchblox.com/security/data/fix/linux/alas2023-2026-3092.md) | Sep 28, 2026 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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