Multiple vulnerabilities have been identified in ClamAV, which could be exploited by attackers or malware to cause a denial of service or compromise a vulnerable system.
The first issue is caused by a buffer overflow error in the "cli_url_canon()" [libclamav/phishcheck.c] function when processing specially crafted URLs, which could be exploited by attackers to compromise a vulnerable system.
The second vulnerability is caused by an error when processing malformed files packed with UPack, which could be exploited by attackers or malware to crash an affected application.
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