It indicates a possible exploit of an integer overflow vulnerability in Clam AntiVirus (ClamAV).
This flaw is due to an integer overflow error in the PE header parser [libclamav/pe.c], which could be exploited by attackers to compromise a vulnerable system where the "ArchiveMaxFileSize" option has been disabled.
Clam AntiVirus (ClamAV) versions prior to 0.88.1
The execution of arbitrary code on the system.
Upgrade to Clam AntiVirus (ClamAV) version 0.88.1 :