This update for clamav to version 0.100.3 fixes the following issues: Security issues fixed : - CVE-2019-1787: Fixed an out-of-bounds heap read condition which may occur when scanning PDF documents. - CVE-2019-1789: Fixed an out-of-bounds heap read condition which may occur when scanning PE files . - CVE-2019-1788: Fixed an out-of-bounds heap write condition which may occur when scanning OLE2 files such as Microsoft Office 97-2003 documents.