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==========================================================================
Ubuntu Security Notice USN-6597-1
January 25, 2024
puma vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 23.04
Summary:
Puma could be made to consume resources if it received specially crafted
network traffic.
Software Description:
- puma: threaded HTTP 1.1 server for Ruby/Rack applications
Details:
It was discovered that Puma incorrectly handled parsing chunked transfer
encoding bodies. A remote attacker could possibly use this issue to cause
Puma to consume resources, leading to a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10:
puma 5.6.5-4ubuntu2.1
Ubuntu 23.04:
puma 5.6.5-3ubuntu1.2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6597-1
CVE-2024-21647
Package Information:
https://launchpad.net/ubuntu/+source/puma/5.6.5-4ubuntu2.1
https://launchpad.net/ubuntu/+source/puma/5.6.5-3ubuntu1.2
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