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Ubuntu Security Notice USN-6988-2
November 26, 2024
twisted vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Twisted could allow unintended access to information over the network.
Software Description:
- twisted: Event-based framework for internet applications
Details:
USN-6988-1 fixed CVE-2024-41671 in Twisted. The USN incorrectly stated that
previous releases were unaffected. This update provides the equivalent fix
for Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS.
Original advisory details:
 Ben Kallus discovered that Twisted incorrectly handled response order when
 processing multiple HTTP requests. A remote attacker could possibly use
 this issue to delay and manipulate responses.
 This issue only affected Ubuntu 24.04 LTS. (CVE-2024-41671)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
  python3-twisted                 22.1.0-2ubuntu2.6
Ubuntu 20.04 LTS
  python3-twisted                 18.9.0-11ubuntu0.20.04.5
Ubuntu 18.04 LTS
  python-twisted                  17.9.0-2ubuntu0.3+esm2
                                  Available with Ubuntu Pro
  python3-twisted                 17.9.0-2ubuntu0.3+esm2
                                  Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
  https://ubuntu.com/security/notices/USN-6988-2
  https://ubuntu.com/security/notices/USN-6988-1
  CVE-2024-41671
Package Information:
  https://launchpad.net/ubuntu/+source/twisted/22.1.0-2ubuntu2.6
https://launchpad.net/ubuntu/+source/twisted/18.9.0-11ubuntu0.20.04.5