Multiple buffer overflows in gui/image/qgifhandler.cpp in the QtBase module in Qt before 4.8.7 and 5.x before 5.4.2 allow remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a crafted GIF image.Referenceshttp://lists.fedoraproject.org/pipermail/package-announce/2015-April/155424.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/156937.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-April/155927.htmlhttps://security.gentoo.org/glsa/201603-10http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155962.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-April/155947.htmlhttp://www.securityfocus.com/bid/74302http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155976.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2015-May/156761.htmlhttp://www.ubuntu.com/usn/USN-2626-1http://lists.qt-project.org/pipermail/announce/2015-April/000067.htmlhttps://codereview.qt-project.org/#/c/108248/http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156727.html