Julian Andres Klode discovered that python-apt, a Python interface to libapt-pkg, incorrectly handled deb822 configuration files. An attacker could use this issue to cause python-apt to crash, resulting in a denial of service.

For Debian 10 buster, these problems have been fixed in version 1.8.4.4.

For Debian 9 stretch, these problems have been fixed in version 1.4.4.

We recommend that you upgrade your python-apt packages.

Further information about Extended LTS security advisories can be found in the [dedicated section of our website](https://www.freexian.com/lt…