clamav regression

USN-3722-1 fixed vulnerabilities in ClamAV. The new package introduced an
issue which caused dpkg-reconfigure to enter an infinite loop. This update
fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that ClamAV incorrectly handled parsing certain HWP
files. A remote attacker could use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2018-0360)

It was discovered that ClamAV incorrectly handled parsing certain PDF
files. A remote attacker could use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2018-0361)