This update upgraded clamav to version 0.87.
It fixes the following security problems:
- Fixes vulnerabilities in handling of UPX and FSG compressed executables.
Also following bugs were fixed:
- Support for PE files, Zip and Cabinet archives has been improved and
other small bugfixes have been made.
- The new option "--on-outdated-execute" allows freshclam to run a command
when system reports a new engine version.