An uWSGI security update has been released for Ubuntu Linux 18.04 LTS.

USN-5054-1: uWSGI vulnerability

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Ubuntu Security Notice USN-5054-1
August 30, 2021

uwsgi vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

uWSGI could be made to crash if it received specially crafted
input.

Software Description:
- uwsgi: fast, self-healing application container server

Details:

Felix Wilhelm discovered a buffer overflow flaw in the mod_proxy_uwsgi module.
An attacker could use this vulnerability to provoke an information disclosure
or potentially remote code execution.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
libapache2-mod-proxy-uwsgi 2.0.15-10.2ubuntu2.2
libapache2-mod-ruwsgi 2.0.15-10.2ubuntu2.2
libapache2-mod-uwsgi 2.0.15-10.2ubuntu2.2
uwsgi 2.0.15-10.2ubuntu2.2
uwsgi-core 2.0.15-10.2ubuntu2.2

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5054-1
CVE-2020-11984

Package Information:
  https://launchpad.net/ubuntu/+source/uwsgi/2.0.15-10.2ubuntu2.2