Security update for clamav

Open Source Vulnerabilities SUSE-SU-2015:0882-2

The ClamAV antivirus engine was updated to version 0.98.7 to fix several security and non security issues. The following vulnerabilities were fixed (bsc#929192): * CVE-2015-2170: Fix crash in upx decoder with crafted file. Discovered and patch supplied by Sebastian Andrzej Siewior. * CVE-2015-2221: Fix infinite loop condition on crafted y0da cryptor file. Identified and patch suggested by Sebastian Andrzej Siewior. * CVE-2015-2222: Fix crash on crafted petite packed file. Reported and patch supplied by Sebastian Andrzej Siewior. * CVE-2015-2668: Fix an infinite loop condition on a crafted 'xz' archive file. This was reported by Dimitri Kirchner and Goulven Guiheux. * CVE-2015-2305: Apply upstream patch for possible heap overflow in Henry Spencer's regex library.