Clam AntiVirus upstream has released 0.97.7 version correcting (between others) also couple of potential security bugs:
Note: So far CVE identifiers have not been assigned to these issues yet.
These issues affect the versions of the clamav package, as shipped with Fedora release of 17 and 18. Please schedule an update.
These issues do not affect the version of the clamav package, as shipped with Fedora EPEL 6 (underlying version has been updated to clamav-0.97.7-1.el6 already).
These issues affect the version of the clamav package, as shipped with Fedora EPEL 5. Please schedule an update.
Created clamav tracking bugs for this issue
Affects: fedora-all [bug 922857]
Affects: epel-5 [bug 922858]
List of relevant upstream bugs, corrected within 0.97.7 version:
clamav-0.97.7-1.el5 has been pushed to the Fedora EPEL 5 stable repository. If problems still persist, please make note of it in this bug report.