[SECURITY] [DLA 684-2] libx11 regression update

Package : libx11 Version : 2:1.5.0-1+deb7u4 A possible invalid free was introduced in libx11 2:1.5.0-1+deb7u3, which could lead to application crashes or other issues. For Debian 7 "Wheezy", these problems have been fixed in version 2:1.5.0-1+deb7u4. We recommend that you upgrade your libx11...