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TI-2016-00661 Aliases CVE-2016-0737GHSA-972c-cfv8-2hq8

OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections…

Priority MEDIUM 40CWE-399Published · Updated

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 2.4.0 does not properly close client 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

EPSS 0.03925 90th percentileScored 2026-11-07
Fix Partial swift (PyPI): 2.4.0Red Hat: 6 advisoriesRed Hat: 6 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—swift (PyPI)before 2.4.02.4.0Patch availableGHSA-972c-cfv8-2hq8
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • swift (PyPI) Vendor— Affected before 2.4.0 Fixed in 2.4.0 Patch available GHSA-972c-cfv8-2hq8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openstack:swift:*:*:*:*:*:*:*:*up to 2.3.0VulnerableOpenStack
  • cpe:2.3:a:openstack:swift:*:*:*:*:*:*:*:* Versions up to 2.3.0 Vulnerable ·OpenStack

Remediation

  • Fix · GHSA-972c-cfv8-2hq8 swift (PyPI) Fixed in 2.4.0 Advisory →

Red Hat 6 advisories

  • RHSA-2016:0328 Released 2016-03-01 · Red Hat rating Moderate
    openstack-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 Moderate
    openstack-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 Moderate
    openstack-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 Moderate
    openstack-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 Moderate
    openstack-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 Moderate
    openstack-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 →

ProductStatusPlan or fix
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 16.2AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 17.1AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed RHSA-2016:0126
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed RHSA-2016:0127
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed RHSA-2016:0128
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed RHSA-2016:0155
Red Hat Gluster Storage Server 3.1 on RHEL-6Fixed RHSA-2016:0329
Red Hat Gluster Storage Server 3.1 on RHEL-7Fixed RHSA-2016:0328
Not affected: 2 products
  • Red Hat OpenStack Platform 18.0
  • Red Hat OpenStack Platform 8 (Liberty)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-0737
  2. 2026-10-03 Alias added: GHSA-972c-cfv8-2hq8
  3. 2026-10-07 Affected versions changed · Red Hat
  4. 2026-10-08 Affected versions changed · Red Hat
  5. 2026-10-21 EPSS moved to the 90th–95th percentile
  6. 2026-10-25 EPSS moved to the 50th–90th percentile
  7. 2026-10-27 EPSS moved to the 90th–95th percentile
  8. 2026-11-07 Priority changed: LOW → MEDIUM

References

  • 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-2016-00662 OpenStack Object Storage (Swift) before 2.3.1 (Kilo), 2.4.x, and 2.5.x before 2.5.1… 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
See all 14 →

Sources