=========================================================================Ubuntu Security Notice USN-5322-1
March 10, 2022

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

- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- subversion: Advanced version control system

Details:

Thomas Akesson discovered that Subversion incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 16.04 ESM:
  libapache2-mod-svn              1.9.3-2ubuntu1.3+esm1
  libapache2-svn                  1.9.3-2ubuntu1.3+esm1
  libsvn1                         1.9.3-2ubuntu1.3+esm1
  subversion                      1.9.3-2ubuntu1.3+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5322-1
  CVE-2020-17525