Ubuntu Update for clamav vulnerabilities USN-1031-1

Ubuntu Update for Linux kernel vulnerabilities USN-1031-1
Please Install the Updated Packages.
Arkadiusz Miskiewicz and others discovered that the PDF processing code in libclamav improperly validated input. This could allow a remote attacker to craft a PDF document that could crash clamav or possibly execute arbitrary code. (CVE-2010-4260, CVE-2010-4479) It was discovered that an off-by-one error in the icon_cb function in pe_icons.c in libclamav could allow an attacker to corrupt memory, causing clamav to crash or possibly execute arbitrary code. (CVE-2010-4261) In the default installation, attackers would be isolated by the clamav AppArmor profile.
clamav vulnerabilities on Ubuntu 10.04 LTS , Ubuntu 10.10