Description
An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious web server.
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 12 | python-future | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | python-future | 0.18.2-5ubuntu0.1 | USN-5833-1 |
| Ubuntu 20.04 LTS | python-future | 0.18.2-2ubuntu0.1 | USN-5833-1 |
| Ubuntu 18.04 LTS | python-future | 0.15.2-4ubuntu2.1 | USN-5833-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | python-future | 0.15.2-1ubuntu0.1~esm1 | USN-5833-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Satellite Utils 6 | foreman +1 | 3.7.0.9-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | foreman +1 | 3.7.0.9-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | puppet-agent | 7.26.0-3.el8sat | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | puppetserver | 7.11.0-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | python-django +1 | 3.2.21-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | python-future +1 | 0.18.3-1.el8pc | RHSA-2023:6818, RHSA-2023:4466 |
| Red Hat Satellite Capsule 6 | python-gitpython +1 | 3.1.32-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | python-pulp-ansible +1 | 1:0.16.0-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | python-requests +1 | 2.31.0-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | python-sqlparse +1 | 0.4.4-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite Capsule 6 | rubygem-rack | 2.2.7-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | foreman +13 | 3.7.0.9-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | puppet-agent | 7.26.0-3.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | puppetserver | 7.11.0-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | python-django +1 | 3.2.21-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite 6 | python-future +1 | 0.18.3-1.el8pc | RHSA-2023:6818, RHSA-2023:4466 |
| Red Hat Satellite 6 | python-gitpython +1 | 3.1.32-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite 6 | python-pulp-ansible +1 | 1:0.16.0-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite 6 | python-requests +1 | 2.31.0-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite 6 | python-sqlparse +1 | 0.4.4-1.el8pc | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-actionpack +2 | 6.1.7.3-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-git | 1.18.0-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-globalid | 1.1.0-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-kubeclient | 4.10.1-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-rack | 2.2.7-1.el8sat | RHSA-2023:6818 |
| Red Hat Satellite 6 | rubygem-safemode | 1.3.8-1.el8sat | RHSA-2023:4466 |
| Red Hat Satellite 6 | yggdrasil-worker-forwarder | 0.0.3-1.el8sat | RHSA-2023:6818 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhui 4 | python-django +1 | 3.2.18-1.0.1.el8ui | RHSA-2023:2101 |
| Red Hat Rhui 4 | python-future +1 | 0.18.3-1.0.1.el8ui | RHSA-2023:2101 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| SLES 12 SP5 | python-future | 0.15.2-3.5.1 | SUSE-SU-2023:0080-1 |
| SLES 12 SP5 | python3 +1 | 3.4.10-25.105.1 | SUSE-SU-2023:0663-1, SUSE-SU-2023:0076-1 |
| SLES 12 SP4 | python3 +1 | 3.4.10-25.108.1 | SUSE-SU-2023:0663-1 |
| SLES 12 SP2 | python3 +1 | 3.4.10-25.108.1 | SUSE-SU-2023:0663-1 |
| SLES 12 | python-future | 0.15.2-3.3.1 | SUSE-SU-2023:0078-1 |
| SLES 12 | python3 +1 | 3.4.10-25.105.1 | SUSE-SU-2023:0663-1, SUSE-SU-2023:0076-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | python-future | 0.15.2-3.5.1 | SUSE-SU-2023:0080-1 |
| SLES for SAP 12 SP5 | python3 +1 | 3.4.10-25.105.1 | SUSE-SU-2023:0663-1, SUSE-SU-2023:0076-1 |
| SLES for SAP 12 SP4 | python3 +1 | 3.4.10-25.108.1 | SUSE-SU-2023:0663-1 |
| SLE Real Time 15 SP3 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| SLE Micro 5.3 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| SLE Micro 5.2 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| SLE Micro 5.1 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| SUSE OpenStack Cloud Crowbar 9 | python3 +1 | 3.4.10-25.108.1 | SUSE-SU-2023:0663-1 |
| SUSE OpenStack Cloud 9 | python3 +1 | 3.4.10-25.108.1 | SUSE-SU-2023:0663-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
| openSUSE Leap Micro 5.2 | python-future | 0.18.2-150300.3.3.1 | SUSE-SU-2023:0079-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | python3-future | 0.18.3-1.amzn2023.0.1 | ALAS2023-2023-173 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | future | < 0.18.3 | 0.18.3 | GHSA-v3c5-jqr6-7qm8 |
Advisories 13
- RHSA-2023:6818 Red Hat Security Advisory: Satellite 6.14 security and bug fix update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- RHSA-2023:4466 Red Hat Security Advisory: Satellite 6.13.3 Async Security Update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5833-1 python-future vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- RHSA-2023:2101 Red Hat Security Advisory: RHUI 4.4.0 release - Security Fixes, Bug Fixes, and Enhancements Update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- SUSE-SU-2023:0079-1 Security update for python-future SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0078-1 Security update for python-future SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0076-1 Security update for python3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0080-1 Security update for python-future SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0663-1 Security update for python3 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2229 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- WID-SEC-2023-0089 Python: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Oct 1, 2025
- ALAS2023-2023-173 Moderate: future security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 3, 2023
References
- https://pypi.org/project/future/
- https://github.com/PythonCharmers/python-future/blob/master/src/future/backports/http/cookiejar.py#L215
- https://github.com/python/cpython/pull/17157
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://github.com/PythonCharmers/python-future/pull/610