Several vulnerabilities have been discovered in the Clam anti-virus toolkit, which may lead to the execution of arbitrary or local denial of service. The Common Vulnerabilities and Exposures project identifies the following problems: It was discovered that temporary files are created insecurely, which may result in local denial of service by overwriting files. Silvio Cesare discovered an integer overflow in the parser for PE headers. The version of clamav in the old stable distribution (sarge) is no longer supported with security updates.