Certain javascript files causes ClamAV to segfault when scanned with the -a (list archived files) (CVE-2013-6497).
A heap buffer overflow was reported in ClamAV when scanning a specially crafted y0da Crypter obfuscated PE file (CVE-2014-9050).
ClamAV has been updated to version 0.98.5 to address these and other issues.