Description
Open redirect vulnerability in Tornado versions 6.3.1 and earlier allows a remote unauthenticated attacker to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| tornadoweb | Tornado | versions 6.3.1 and earlier | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | python-tornado | 6.3.2-1 | — |
| Debian 13 | python-tornado | 6.3.2-1 | — |
| Debian 12 | python-tornado | 6.2.0-3+deb12u1 | — |
| Debian 11 | python-tornado | 6.1.0-1+deb11u1 | DLA-4007-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | python-tornado | 6.4.0-1ubuntu0.1 | USN-7150-1 |
| Ubuntu 22.04 LTS | salt | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | python-tornado | 6.1.0-3ubuntu0.1~esm1 | USN-7150-1 |
| Ubuntu Pro 20.04 LTS | python-tornado | 6.0.3+really5.1.1-3ubuntu0.1~esm1 | USN-7150-1 |
| Ubuntu Pro 18.04 LTS | python-tornado | 4.5.3-1ubuntu0.2+esm1 | USN-7150-1 |
| Ubuntu Pro 18.04 LTS | salt | No fix yet | — |
| Ubuntu Pro 16.04 LTS | python-tornado | 4.2.1-1ubuntu3.1+esm1 | USN-6159-1 |
| Ubuntu Pro 16.04 LTS | salt | No fix yet | — |
| Ubuntu Pro 14.04 LTS | salt | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | python-tornado +1 | 6.1.0-9.el9 | RHSA-2023:6523 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | python3-tornado | 6.1.0-9.el9 | ALSA-2023:6523 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES 15 SP5 | salt | 3006.0-150500.4.12.2 | SUSE-SU-2023:3139-1 |
| SLES 15 SP4 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES 15 SP4 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
| SLES 15 SP3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES 15 SP3 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLES 15 SP2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES 15 SP2 | salt | 3006.0-150200.101.2 | SUSE-SU-2023:3131-1 |
| SLES 15 SP1 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES 15 SP1 | salt | 3006.0-150100.100.2 | SUSE-SU-2023:3123-1 |
Show 30 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | python-tornado | 4.2.1-17.7.1 | SUSE-SU-2023:3122-1 |
| SLES for SAP 15 SP3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES for SAP 15 SP3 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLES for SAP 15 SP2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES for SAP 15 SP2 | salt | 3006.0-150200.101.2 | SUSE-SU-2023:3131-1 |
| SLES for SAP 15 SP1 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLES for SAP 15 SP1 | salt | 3006.0-150100.100.2 | SUSE-SU-2023:3123-1 |
| SLE Real Time 15 SP3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE Real Time 15 SP3 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLE Micro 5.4 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE Micro 5.4 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
| SLE Micro 5.3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE Micro 5.3 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
| SLE Micro 5.2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE Micro 5.2 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLE Micro 5.1 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLE HPC 15 SP3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE HPC 15 SP3 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SLE HPC 15 SP2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE HPC 15 SP2 | salt | 3006.0-150200.101.2 | SUSE-SU-2023:3131-1 |
| SLE HPC 15 SP1 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SLE HPC 15 SP1 | salt | 3006.0-150100.100.2 | SUSE-SU-2023:3123-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-tornado | 4.5.3-3.3.1 | SUSE-SU-2023:2807-1 |
| SUSE OpenStack Cloud Crowbar 8 | python-tornado | 4.4.3-3.3.1 | SUSE-SU-2023:2770-1 |
| SUSE OpenStack Cloud 9 | python-tornado | 4.5.3-3.3.1 | SUSE-SU-2023:2807-1 |
| SUSE OpenStack Cloud 8 | python-tornado | 4.4.3-3.3.1 | SUSE-SU-2023:2770-1 |
| SUSE Manager Server Module 4.3 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Server Module 4.3 | venv-salt-minion | 3006.0-150000.3.35.1 | SUSE-SU-2023:3142-1 |
| SUSE Manager Server Module 4.2 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Server 4.2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Server 4.2 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SUSE Manager Proxy Module 4.3 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| SUSE Manager Proxy Module 4.3 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Proxy Module 4.3 | venv-salt-minion | 3006.0-150000.3.35.1 | SUSE-SU-2023:3142-1 |
| SUSE Manager Proxy Module 4.2 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| SUSE Manager Proxy Module 4.2 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Proxy 4.2 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Proxy 4.2 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SUSE Manager Client Tools for SLE Micro 5 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| SUSE Manager Client Tools for SLE Micro 5 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Client Tools for SLE Micro 5 | venv-salt-minion | 3006.0-150000.3.35.1 | SUSE-SU-2023:3142-1 |
| SUSE Manager Client Tools for RHEL, Liberty and Clones 9 | venv-salt-minion | 3006.0-1.19.2 | SUSE-SU-2023:3137-1, SUSE-EL-9-CLIENT-TOOLS-2023-3137 |
| SUSE Manager Client Tools 15 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| SUSE Manager Client Tools 15 | spacecmd | 4.3.22-150000.3.101.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Client Tools 15 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| SUSE Manager Client Tools 15 | venv-salt-minion | 3006.0-150000.3.35.1 | SUSE-SU-2023:3142-1 |
| SUSE Manager Client Tools 12 | kiwi-desc-saltboot | 0.1.1687520761.cefb248-1.35.2 | SUSE-SU-2023:3122-1 |
| SUSE Manager Client Tools 12 | prometheus-blackbox_exporter | 0.24.0-1.20.3 | SUSE-SU-2023:3122-1 |
| SUSE Manager Client Tools 12 | python-tornado | 4.2.1-17.7.1 | SUSE-SU-2023:3122-1 |
| SUSE Manager Client Tools 12 | spacecmd | 4.3.22-38.124.3 | SUSE-SU-2023:3122-1 |
| SUSE Manager Client Tools 12 | venv-salt-minion | 3006.0-3.33.2 | SUSE-SU-2023:3128-1 |
| SUSE HPE Helion OpenStack 8 | python-tornado | 4.4.3-3.3.1 | SUSE-SU-2023:2770-1 |
| SUSE Enterprise Storage 7.1 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SUSE Enterprise Storage 7.1 | salt | 3006.0-150300.53.53.2 | SUSE-SU-2023:3143-1 |
| SUSE Enterprise Storage 7 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| SUSE Enterprise Storage 7 | salt | 3006.0-150200.101.2 | SUSE-SU-2023:3131-1 |
| SUSE EL-9:Update:Products:SaltBundle:Update | saltbundlepy-psutil | 5.8.0-1.9.1 | SUSE-SU-2023:3137-1 |
| SUSE EL-9:Update:Products:SaltBundle:Update | venv-salt-minion | 3006.0-1.19.2 | SUSE-SU-2023:3137-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-tornado6 | 6.5.7-2.1 | openSUSE-SU-2026:11239-1 |
| openSUSE Leap 15.5 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.5 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.5 | salt | 3006.0-150500.4.12.2 | SUSE-SU-2023:3139-1 |
| openSUSE Leap 15.5 | spacecmd | 4.3.22-150000.3.101.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.5 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.4 | prometheus-blackbox_exporter | 0.24.0-150000.1.20.2 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.4 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.4 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
| openSUSE Leap 15.4 | spacecmd | 4.3.22-150000.3.101.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap 15.4 | system-user-prometheus | 1.0.0-150000.10.1 | SUSE-SU-2023:3144-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap Micro 5.4 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
| openSUSE Leap Micro 5.3 | python-tornado | 4.5.3-150000.3.6.1 | SUSE-SU-2023:3144-1 |
| openSUSE Leap Micro 5.3 | salt | 3006.0-150400.8.37.2 | SUSE-SU-2023:3145-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | python3-tornado +1 | 6.1.0-2.amzn2023.0.3 | ALAS2023-2023-239 |
| Amazon Linux 2 | python-tornado +1 | 4.2.1-3.amzn2.0.1 | ALAS2-2023-2132 |
| Amazon Linux 2 | python3-tornado +1 | 5.0.2-4.amzn2.0.3 | ALAS2-2023-2133 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | python-tornado | 6.3.3-11 | — |
| Azure Linux 2 (CBL-Mariner) | python-tornado | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | python3-tornado | 6.1.0-9.el9 | ELSA-2023-6523 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | tornado | < 6.3.2 | 6.3.2 | GHSA-hj3f-6gcp-jg8j |
Advisories 25
- WID-SEC-2023-2853 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
- ALSA-2023:6523 Moderate: python-tornado security update AlmaLinux Security Advisories · Oct 29, 2026
- SUSE-EL-9-CLIENT-TOOLS-2023-3137 Security update for SUSE Manager Salt Bundle SUSE / openSUSE Security Updates · Jul 24, 2026
- openSUSE-SU-2026:11239-1 python313-tornado6-6.5.7-2.1 on GA media SUSE / openSUSE Security Updates · Jul 10, 2026
- USN-6159-1 python-tornado vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-7150-1 python-tornado vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- WID-SEC-2025-1272 QNAP NAS Software und Anwendungen: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 30, 2026
- DLA-4007-1 python-tornado - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:3142-1 Security update for SUSE Manager Salt Bundle SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3128-1 Security update for SUSE Manager Salt Bundle SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3137-1 Security update for SUSE Manager Salt Bundle SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2770-1 Security update for python-tornado SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2807-1 Security update for python-tornado SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3123-1 Security update for salt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3143-1 Security update for salt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3144-1 Security update for SUSE Manager Client Tools SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3145-1 Security update for salt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3139-1 Security update for salt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3131-1 Security update for salt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3122-1 Security update for SUSE Manager Client Tools SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2023:6523 Red Hat Security Advisory: python-tornado security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ELSA-2023-6523 Moderate: python-tornado security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 11, 2023
- ALAS2023-2023-239 Moderate: python-tornado security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jul 20, 2023
- ALAS2-2023-2133 Moderate: python3-tornado security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 19, 2023
- ALAS2-2023-2132 Moderate: python-tornado security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 19, 2023