OpenStack Object Storage (Swift) before 2.3.1 (Kilo), 2.4.x, and 2.5.x before 2.5.1…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 6 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
OpenStack Object Storage (Swift) before 2.3.1 (Kilo), 2.4.x, and 2.5.x before 2.5.1 (Liberty) do not properly close server connections, which allows remote attackers to cause a denial of service (proxy-server resource consumption) via a series of interrupted requests to a Large Object URL.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | swift (PyPI) | before 2.3.1 | 2.3.1 | Patch available | GHSA-fxwr-2vxm-cg7p |
| — | swift (PyPI) | 2.4.0 to before 2.5.1 | 2.5.1 | Patch available | GHSA-fxwr-2vxm-cg7p |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- swift (PyPI) Vendor— Affected before 2.3.1 Fixed in 2.3.1 Patch available GHSA-fxwr-2vxm-cg7p
- swift (PyPI) Vendor— Affected 2.4.0 to before 2.5.1 Fixed in 2.5.1 Patch available GHSA-fxwr-2vxm-cg7p
Remediation
- Fix · GHSA-fxwr-2vxm-cg7p swift (PyPI) Fixed in 2.3.1 Advisory →
- Fix · GHSA-fxwr-2vxm-cg7p swift (PyPI) Fixed in 2.5.1 Advisory →
Red Hat 6 advisories
- RHSA-2016:0328 Released 2016-03-01 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Gluster Storage Server 3.1 on RHEL-7 openstack-swift-1.13.1-8.el7ost, openstack-swift-account-1.13.1-8.el7ost, openstack-swift-container-1.13.1-8.el7ost +3
- RHSA-2016:0329 Released 2016-03-01 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Gluster Storage Server 3.1 on RHEL-6 openstack-swift-1.13.1-8.el6ost, openstack-swift-account-1.13.1-8.el6ost, openstack-swift-container-1.13.1-8.el6ost +3
- RHSA-2016:0155 Released 2016-02-09 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 openstack-swift-2.3.0-3.el7ost, openstack-swift-account-2.3.0-3.el7ost, openstack-swift-container-2.3.0-3.el7ost +3
Show 3 more Red Hat advisories
- RHSA-2016:0126 Released 2016-02-08 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 openstack-swift-1.13.1-8.el6ost, openstack-swift-account-1.13.1-8.el6ost, openstack-swift-container-1.13.1-8.el6ost +3
- RHSA-2016:0127 Released 2016-02-08 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 openstack-swift-1.13.1-8.el7ost, openstack-swift-account-1.13.1-8.el7ost, openstack-swift-container-1.13.1-8.el7ost +3
- RHSA-2016:0128 Released 2016-02-08 · Red Hat rating Moderateopenstack-swift security update
- Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 openstack-swift-2.2.0-6.el7ost, openstack-swift-account-2.2.0-6.el7ost, openstack-swift-container-2.2.0-6.el7ost +3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 16.2 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 17.1 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | Fixed | RHSA-2016:0126 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | Fixed | RHSA-2016:0127 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | Fixed | RHSA-2016:0128 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | Fixed | RHSA-2016:0155 |
| Red Hat Gluster Storage Server 3.1 on RHEL-6 | Fixed | RHSA-2016:0329 |
| Red Hat Gluster Storage Server 3.1 on RHEL-7 | Fixed | RHSA-2016:0328 |
Not affected: 2 products
- Red Hat OpenStack Platform 18.0
- Red Hat OpenStack Platform 8 (Liberty)
Timeline
- 2026-10-02 Threatist record created from CVE-2016-0738
- 2026-10-03 Alias added: GHSA-fxwr-2vxm-cg7p
- 2026-10-07 Affected versions changed · Red Hat
- 2026-10-08 Affected versions changed · Red Hat
- 2026-10-16 EPSS moved to the 90th–95th percentile
- 2026-11-07 Priority changed: LOW → MEDIUM
References
Advisory 7
Other 15
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://web.archive.org/web/20200228001102/http://www.securityfocus.com/bid/81432
- https://rhn.redhat.com/errata/RHSA-2016-0329.html
- https://rhn.redhat.com/errata/RHSA-2016-0155.html
- https://rhn.redhat.com/errata/RHSA-2016-0128.html
- https://lists.fedoraproject.org/pipermail/package-announce/2016-February/176713.html
- https://github.com/openstack/swift
- https://bugzilla.redhat.com/show_bug.cgi?id=1298905
- https://access.redhat.com/security/cve/CVE-2016-0738
- https://access.redhat.com/errata/RHSA-2016:0329
- https://access.redhat.com/errata/RHSA-2016:0328
- https://access.redhat.com/errata/RHSA-2016:0155
- https://access.redhat.com/errata/RHSA-2016:0128
- https://access.redhat.com/errata/RHSA-2016:0127
- https://access.redhat.com/errata/RHSA-2016:0126
More OpenStack Swift vulnerabilities
- TI-2017-12224 An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with… CVSS 3.0CRITICAL 9.8
- TI-2012-03749 OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle… CVSS 3.1CRITICAL 9.8
- TI-2016-00661 OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections… CVSS 3.0HIGH 7.5
- TI-2015-01667 OpenStack Object Storage (Swift) before 2.3.0, when allow_version is configured, allows… CVSS 2.0MEDIUM 5.5
- TI-2026-36265 Infinite loop in OpenStack Swift CVSS 4.0HIGH 7.1
- TI-2022-23761 An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2016-0738 · CVE Program
- CVE-2016-0738 · NVD
- FIRST EPSS
- GHSA-fxwr-2vxm-cg7p · GitHub Advisory Database · CC BY 4.0
- CVE-2016-0738 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences