USN-8821-1: OpenStack Swift vulnerability
Publication date
24 September 2026
Overview
OpenStack Swift could be made to crash if it received specially crafted network traffic from an authenticated user.
Releases
Packages
- swift - OpenStack distributed virtual object store
Details
It was discovered that OpenStack Swift incorrectly handled truncated
aws-chunked PUT request bodies in its s3api middleware. An authenticated
attacker could possibly use this issue to cause OpenStack Swift to use
excessive resources, leading to a denial of service.
It was discovered that OpenStack Swift incorrectly handled truncated
aws-chunked PUT request bodies in its s3api middleware. An authenticated
attacker could possibly use this issue to cause OpenStack Swift to use
excessive resources, leading to a denial of service.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | python3-swift – 2.37.1-0ubuntu2.1 | ||
| swift – 2.37.1-0ubuntu2.1 | |||
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