FreeType is a free, high-quality, portable font engine that can open andmanage font files. It also loads, hints, and renders individual glyphsefficiently.Multiple integer overflow flaws and an integer signedness flaw, leading toheap-based buffer overflows, were found in the way FreeType handled Macfonts. If a specially crafted font file was loaded by an application linkedagainst FreeType, it could cause the application to crash or, potentially,execute arbitrary code with the privileges of the user running theapplication. (CVE-2014-9673, CVE-2014-9674)Multiple flaws were found in the way FreeType handled fonts in variousformats. If a specially crafted font file was loaded by an applicationlinked against FreeType, it could cause the application to crash or,possibly, disclose a portion of the application memory. (CVE-2014-9657,CVE-2014-9658, CVE-2014-9660, CVE-2014-9661, CVE-2014-9663, CVE-2014-9664,CVE-2014-9667, CVE-2014-9669, CVE-2014-9670, CVE-2014-9671, CVE-2014-9675)All freetype users are advised to upgrade to these updated packages, whichcontain backported patches to correct these issues. The X server must berestarted (log out, then log back in) for this update to take effect.